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Finding the Fourth Proportional to 368,557.92, 508,651.20 and 207,452.16

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Solution

The fourth proportional to 368,557.92, 508,651.20 and 207,452.16 is: 286,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,557.92 : 508,651.20 = 207,452.16 : x
  2. Step 2: Convert to fraction form
    368,557.92/508,651.20 = 207,452.16/x
  3. Step 3: Cross multiply
    368,557.92x = 508,651.20 × 207,452.16
  4. Step 4: Simplify right side
    368,557.92x = 105,520,790,126.59
  5. Step 5: Solve for x
    x = 105,520,790,126.59/368,557.92
  6. Step 6: Final answer
    x = 286,307.21

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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.