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Finding the Fourth Proportional to 407,513.15, 611,250 and 154,773.92

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Solution

The fourth proportional to 407,513.15, 611,250 and 154,773.92 is: 232,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,513.15 : 611,250 = 154,773.92 : x
  2. Step 2: Convert to fraction form
    407,513.15/611,250 = 154,773.92/x
  3. Step 3: Cross multiply
    407,513.15x = 611,250 × 154,773.92
  4. Step 4: Simplify right side
    407,513.15x = 94,605,558,600.00
  5. Step 5: Solve for x
    x = 94,605,558,600.00/407,513.15
  6. Step 6: Final answer
    x = 232,153.39

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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.