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Finding the Fourth Proportional to 653,158.72, 901,358.35 and 366,679.36

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Solution

The fourth proportional to 653,158.72, 901,358.35 and 366,679.36 is: 506,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,158.72 : 901,358.35 = 366,679.36 : x
  2. Step 2: Convert to fraction form
    653,158.72/901,358.35 = 366,679.36/x
  3. Step 3: Cross multiply
    653,158.72x = 901,358.35 × 366,679.36
  4. Step 4: Simplify right side
    653,158.72x = 330,509,502,908.66
  5. Step 5: Solve for x
    x = 330,509,502,908.66/653,158.72
  6. Step 6: Final answer
    x = 506,017.13

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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.