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Finding the Fourth Proportional to 653,020.17, 901,118.39 and 366,484.92

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Solution

The fourth proportional to 653,020.17, 901,118.39 and 366,484.92 is: 505,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,020.17 : 901,118.39 = 366,484.92 : x
  2. Step 2: Convert to fraction form
    653,020.17/901,118.39 = 366,484.92/x
  3. Step 3: Cross multiply
    653,020.17x = 901,118.39 × 366,484.92
  4. Step 4: Simplify right side
    653,020.17x = 330,246,299,237.25
  5. Step 5: Solve for x
    x = 330,246,299,237.25/653,020.17
  6. Step 6: Final answer
    x = 505,721.44

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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.