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Finding the Fourth Proportional to 448,842.33, 619,482.56 and 267,565.95

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Solution

The fourth proportional to 448,842.33, 619,482.56 and 267,565.95 is: 369,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,842.33 : 619,482.56 = 267,565.95 : x
  2. Step 2: Convert to fraction form
    448,842.33/619,482.56 = 267,565.95/x
  3. Step 3: Cross multiply
    448,842.33x = 619,482.56 × 267,565.95
  4. Step 4: Simplify right side
    448,842.33x = 165,752,438,337.00
  5. Step 5: Solve for x
    x = 165,752,438,337.00/448,842.33
  6. Step 6: Final answer
    x = 369,288.78

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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.