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Finding the Fourth Proportional to 591,688.98, 887,445.99 and 217,624.50

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Solution

The fourth proportional to 591,688.98, 887,445.99 and 217,624.50 is: 326,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,688.98 : 887,445.99 = 217,624.50 : x
  2. Step 2: Convert to fraction form
    591,688.98/887,445.99 = 217,624.50/x
  3. Step 3: Cross multiply
    591,688.98x = 887,445.99 × 217,624.50
  4. Step 4: Simplify right side
    591,688.98x = 193,129,989,850.76
  5. Step 5: Solve for x
    x = 193,129,989,850.76/591,688.98
  6. Step 6: Final answer
    x = 326,404.57

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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.