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Finding the Fourth Proportional to 303,490.32, 455,294.10 and 116,487.24

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Solution

The fourth proportional to 303,490.32, 455,294.10 and 116,487.24 is: 174,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,490.32 : 455,294.10 = 116,487.24 : x
  2. Step 2: Convert to fraction form
    303,490.32/455,294.10 = 116,487.24/x
  3. Step 3: Cross multiply
    303,490.32x = 455,294.10 × 116,487.24
  4. Step 4: Simplify right side
    303,490.32x = 53,035,953,097.28
  5. Step 5: Solve for x
    x = 53,035,953,097.28/303,490.32
  6. Step 6: Final answer
    x = 174,753.36

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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.