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Finding the Fourth Proportional to 573,211.72, 859,816.54 and 152,487.60

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Solution

The fourth proportional to 573,211.72, 859,816.54 and 152,487.60 is: 228,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,211.72 : 859,816.54 = 152,487.60 : x
  2. Step 2: Convert to fraction form
    573,211.72/859,816.54 = 152,487.60/x
  3. Step 3: Cross multiply
    573,211.72x = 859,816.54 × 152,487.60
  4. Step 4: Simplify right side
    573,211.72x = 131,111,360,624.90
  5. Step 5: Solve for x
    x = 131,111,360,624.90/573,211.72
  6. Step 6: Final answer
    x = 228,731.12

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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.