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Finding the Fourth Proportional to 573,763.98, 791,769.33 and 315,624.56

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Solution

The fourth proportional to 573,763.98, 791,769.33 and 315,624.56 is: 435,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,763.98 : 791,769.33 = 315,624.56 : x
  2. Step 2: Convert to fraction form
    573,763.98/791,769.33 = 315,624.56/x
  3. Step 3: Cross multiply
    573,763.98x = 791,769.33 × 315,624.56
  4. Step 4: Simplify right side
    573,763.98x = 249,901,842,443.90
  5. Step 5: Solve for x
    x = 249,901,842,443.90/573,763.98
  6. Step 6: Final answer
    x = 435,548.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.