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Finding the Fourth Proportional to 653,152.56, 901,342.62 and 366,665.28

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Solution

The fourth proportional to 653,152.56, 901,342.62 and 366,665.28 is: 505,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,152.56 : 901,342.62 = 366,665.28 : x
  2. Step 2: Convert to fraction form
    653,152.56/901,342.62 = 366,665.28/x
  3. Step 3: Cross multiply
    653,152.56x = 901,342.62 × 366,665.28
  4. Step 4: Simplify right side
    653,152.56x = 330,491,044,138.23
  5. Step 5: Solve for x
    x = 330,491,044,138.23/653,152.56
  6. Step 6: Final answer
    x = 505,993.64

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.