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Finding the Fourth Proportional to 573,045.96, 859,740.78 and 231,313.70

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Solution

The fourth proportional to 573,045.96, 859,740.78 and 231,313.70 is: 347,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,045.96 : 859,740.78 = 231,313.70 : x
  2. Step 2: Convert to fraction form
    573,045.96/859,740.78 = 231,313.70/x
  3. Step 3: Cross multiply
    573,045.96x = 859,740.78 × 231,313.70
  4. Step 4: Simplify right side
    573,045.96x = 198,869,820,862.69
  5. Step 5: Solve for x
    x = 198,869,820,862.69/573,045.96
  6. Step 6: Final answer
    x = 347,039.91

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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.