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Finding the Fourth Proportional to 499,554.70, 749,339.16 and 162,597.13

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Solution

The fourth proportional to 499,554.70, 749,339.16 and 162,597.13 is: 243,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,554.70 : 749,339.16 = 162,597.13 : x
  2. Step 2: Convert to fraction form
    499,554.70/749,339.16 = 162,597.13/x
  3. Step 3: Cross multiply
    499,554.70x = 749,339.16 × 162,597.13
  4. Step 4: Simplify right side
    499,554.70x = 121,840,396,812.61
  5. Step 5: Solve for x
    x = 121,840,396,812.61/499,554.70
  6. Step 6: Final answer
    x = 243,898.01

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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.