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Finding the Fourth Proportional to 573,278.76, 859,937.55 and 152,555.04

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Solution

The fourth proportional to 573,278.76, 859,937.55 and 152,555.04 is: 228,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,278.76 : 859,937.55 = 152,555.04 : x
  2. Step 2: Convert to fraction form
    573,278.76/859,937.55 = 152,555.04/x
  3. Step 3: Cross multiply
    573,278.76x = 859,937.55 × 152,555.04
  4. Step 4: Simplify right side
    573,278.76x = 131,187,807,337.75
  5. Step 5: Solve for x
    x = 131,187,807,337.75/573,278.76
  6. Step 6: Final answer
    x = 228,837.73

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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.