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Finding the Fourth Proportional to 581,706.72, 872,560.33 and 182,378.61

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Solution

The fourth proportional to 581,706.72, 872,560.33 and 182,378.61 is: 273,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,706.72 : 872,560.33 = 182,378.61 : x
  2. Step 2: Convert to fraction form
    581,706.72/872,560.33 = 182,378.61/x
  3. Step 3: Cross multiply
    581,706.72x = 872,560.33 × 182,378.61
  4. Step 4: Simplify right side
    581,706.72x = 159,136,339,670.60
  5. Step 5: Solve for x
    x = 159,136,339,670.60/581,706.72
  6. Step 6: Final answer
    x = 273,567.99

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Similar ratio
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1.5x scale

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.