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Finding the Fourth Proportional to 653,785.92, 902,315.52 and 367,328.16

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Solution

The fourth proportional to 653,785.92, 902,315.52 and 367,328.16 is: 506,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,785.92 : 902,315.52 = 367,328.16 : x
  2. Step 2: Convert to fraction form
    653,785.92/902,315.52 = 367,328.16/x
  3. Step 3: Cross multiply
    653,785.92x = 902,315.52 × 367,328.16
  4. Step 4: Simplify right side
    653,785.92x = 331,445,899,701.04
  5. Step 5: Solve for x
    x = 331,445,899,701.04/653,785.92
  6. Step 6: Final answer
    x = 506,963.96

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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.