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Finding the Fourth Proportional to 573,046.98, 859,599.02 and 218,088.50

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Solution

The fourth proportional to 573,046.98, 859,599.02 and 218,088.50 is: 327,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,046.98 : 859,599.02 = 218,088.50 : x
  2. Step 2: Convert to fraction form
    573,046.98/859,599.02 = 218,088.50/x
  3. Step 3: Cross multiply
    573,046.98x = 859,599.02 × 218,088.50
  4. Step 4: Simplify right side
    573,046.98x = 187,468,660,873.27
  5. Step 5: Solve for x
    x = 187,468,660,873.27/573,046.98
  6. Step 6: Final answer
    x = 327,143.62

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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.