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Finding the Fourth Proportional to 404,732.25, 607,127.85 and 155,414.25

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Solution

The fourth proportional to 404,732.25, 607,127.85 and 155,414.25 is: 233,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,732.25 : 607,127.85 = 155,414.25 : x
  2. Step 2: Convert to fraction form
    404,732.25/607,127.85 = 155,414.25/x
  3. Step 3: Cross multiply
    404,732.25x = 607,127.85 × 155,414.25
  4. Step 4: Simplify right side
    404,732.25x = 94,356,319,461.86
  5. Step 5: Solve for x
    x = 94,356,319,461.86/404,732.25
  6. Step 6: Final answer
    x = 233,132.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.