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Finding the Fourth Proportional to 404,572.50, 606,887.91 and 155,254.50

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Solution

The fourth proportional to 404,572.50, 606,887.91 and 155,254.50 is: 232,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572.50 : 606,887.91 = 155,254.50 : x
  2. Step 2: Convert to fraction form
    404,572.50/606,887.91 = 155,254.50/x
  3. Step 3: Cross multiply
    404,572.50x = 606,887.91 × 155,254.50
  4. Step 4: Simplify right side
    404,572.50x = 94,222,079,023.10
  5. Step 5: Solve for x
    x = 94,222,079,023.10/404,572.50
  6. Step 6: Final answer
    x = 232,892.94

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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.