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Finding the Fourth Proportional to 581,638.84, 872,458.32 and 182,279.56

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Solution

The fourth proportional to 581,638.84, 872,458.32 and 182,279.56 is: 273,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,638.84 : 872,458.32 = 182,279.56 : x
  2. Step 2: Convert to fraction form
    581,638.84/872,458.32 = 182,279.56/x
  3. Step 3: Cross multiply
    581,638.84x = 872,458.32 × 182,279.56
  4. Step 4: Simplify right side
    581,638.84x = 159,031,318,687.94
  5. Step 5: Solve for x
    x = 159,031,318,687.94/581,638.84
  6. Step 6: Final answer
    x = 273,419.36

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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.