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Finding the Fourth Proportional to 581,613.81, 872,420.91 and 182,285.56

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Solution

The fourth proportional to 581,613.81, 872,420.91 and 182,285.56 is: 273,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,613.81 : 872,420.91 = 182,285.56 : x
  2. Step 2: Convert to fraction form
    581,613.81/872,420.91 = 182,285.56/x
  3. Step 3: Cross multiply
    581,613.81x = 872,420.91 × 182,285.56
  4. Step 4: Simplify right side
    581,613.81x = 159,029,734,135.06
  5. Step 5: Solve for x
    x = 159,029,734,135.06/581,613.81
  6. Step 6: Final answer
    x = 273,428.40

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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.