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Finding the Fourth Proportional to 404,411.54, 606,631.88 and 151,666.43

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Solution

The fourth proportional to 404,411.54, 606,631.88 and 151,666.43 is: 227,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,411.54 : 606,631.88 = 151,666.43 : x
  2. Step 2: Convert to fraction form
    404,411.54/606,631.88 = 151,666.43/x
  3. Step 3: Cross multiply
    404,411.54x = 606,631.88 × 151,666.43
  4. Step 4: Simplify right side
    404,411.54x = 92,005,688,909.80
  5. Step 5: Solve for x
    x = 92,005,688,909.80/404,411.54
  6. Step 6: Final answer
    x = 227,505.11

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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.