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Finding the Fourth Proportional to 581,637.84, 872,456.82 and 182,278.56

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Solution

The fourth proportional to 581,637.84, 872,456.82 and 182,278.56 is: 273,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,637.84 : 872,456.82 = 182,278.56 : x
  2. Step 2: Convert to fraction form
    581,637.84/872,456.82 = 182,278.56/x
  3. Step 3: Cross multiply
    581,637.84x = 872,456.82 × 182,278.56
  4. Step 4: Simplify right side
    581,637.84x = 159,030,172,811.78
  5. Step 5: Solve for x
    x = 159,030,172,811.78/581,637.84
  6. Step 6: Final answer
    x = 273,417.86

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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.