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Finding the Fourth Proportional to 404,884.10, 607,340.55 and 124,400.90

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Solution

The fourth proportional to 404,884.10, 607,340.55 and 124,400.90 is: 186,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,884.10 : 607,340.55 = 124,400.90 : x
  2. Step 2: Convert to fraction form
    404,884.10/607,340.55 = 124,400.90/x
  3. Step 3: Cross multiply
    404,884.10x = 607,340.55 × 124,400.90
  4. Step 4: Simplify right side
    404,884.10x = 75,553,711,026.50
  5. Step 5: Solve for x
    x = 75,553,711,026.50/404,884.10
  6. Step 6: Final answer
    x = 186,605.77

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