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Finding the Fourth Proportional to 451,693.27, 623,354.15 and 247,752.79

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Solution

The fourth proportional to 451,693.27, 623,354.15 and 247,752.79 is: 341,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,693.27 : 623,354.15 = 247,752.79 : x
  2. Step 2: Convert to fraction form
    451,693.27/623,354.15 = 247,752.79/x
  3. Step 3: Cross multiply
    451,693.27x = 623,354.15 × 247,752.79
  4. Step 4: Simplify right side
    451,693.27x = 154,437,729,820.58
  5. Step 5: Solve for x
    x = 154,437,729,820.58/451,693.27
  6. Step 6: Final answer
    x = 341,908.41

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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.