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Finding the Fourth Proportional to 442,522, 610,726.44 and 272,751.76

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Solution

The fourth proportional to 442,522, 610,726.44 and 272,751.76 is: 376,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,522 : 610,726.44 = 272,751.76 : x
  2. Step 2: Convert to fraction form
    442,522/610,726.44 = 272,751.76/x
  3. Step 3: Cross multiply
    442,522x = 610,726.44 × 272,751.76
  4. Step 4: Simplify right side
    442,522x = 166,576,711,388.53
  5. Step 5: Solve for x
    x = 166,576,711,388.53/442,522
  6. Step 6: Final answer
    x = 376,425.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.