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Finding the Fourth Proportional to 456,726.62, 630,263.36 and 252,758.48

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Solution

The fourth proportional to 456,726.62, 630,263.36 and 252,758.48 is: 348,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,726.62 : 630,263.36 = 252,758.48 : x
  2. Step 2: Convert to fraction form
    456,726.62/630,263.36 = 252,758.48/x
  3. Step 3: Cross multiply
    456,726.62x = 630,263.36 × 252,758.48
  4. Step 4: Simplify right side
    456,726.62x = 159,304,406,353.87
  5. Step 5: Solve for x
    x = 159,304,406,353.87/456,726.62
  6. Step 6: Final answer
    x = 348,795.97

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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.