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Finding the Fourth Proportional to 473,803.13, 710,600.05 and 136,770.55

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Solution

The fourth proportional to 473,803.13, 710,600.05 and 136,770.55 is: 205,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,803.13 : 710,600.05 = 136,770.55 : x
  2. Step 2: Convert to fraction form
    473,803.13/710,600.05 = 136,770.55/x
  3. Step 3: Cross multiply
    473,803.13x = 710,600.05 × 136,770.55
  4. Step 4: Simplify right side
    473,803.13x = 97,189,159,668.53
  5. Step 5: Solve for x
    x = 97,189,159,668.53/473,803.13
  6. Step 6: Final answer
    x = 205,125.62

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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.