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Finding the Fourth Proportional to 581,442.72, 872,164.08 and 182,114.76

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Solution

The fourth proportional to 581,442.72, 872,164.08 and 182,114.76 is: 273,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,442.72 : 872,164.08 = 182,114.76 : x
  2. Step 2: Convert to fraction form
    581,442.72/872,164.08 = 182,114.76/x
  3. Step 3: Cross multiply
    581,442.72x = 872,164.08 × 182,114.76
  4. Step 4: Simplify right side
    581,442.72x = 158,833,952,109.82
  5. Step 5: Solve for x
    x = 158,833,952,109.82/581,442.72
  6. Step 6: Final answer
    x = 273,172.14

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Double scale
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Similar ratio
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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.