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Finding the Fourth Proportional to 356,770.65, 535,000.24 and 134,999.13

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Solution

The fourth proportional to 356,770.65, 535,000.24 and 134,999.13 is: 202,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,770.65 : 535,000.24 = 134,999.13 : x
  2. Step 2: Convert to fraction form
    356,770.65/535,000.24 = 134,999.13/x
  3. Step 3: Cross multiply
    356,770.65x = 535,000.24 × 134,999.13
  4. Step 4: Simplify right side
    356,770.65x = 72,224,566,949.79
  5. Step 5: Solve for x
    x = 72,224,566,949.79/356,770.65
  6. Step 6: Final answer
    x = 202,439.77

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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.