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Finding the Fourth Proportional to 552,438.74, 763,115.91 and 433,086.86

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Solution

The fourth proportional to 552,438.74, 763,115.91 and 433,086.86 is: 598,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,438.74 : 763,115.91 = 433,086.86 : x
  2. Step 2: Convert to fraction form
    552,438.74/763,115.91 = 433,086.86/x
  3. Step 3: Cross multiply
    552,438.74x = 763,115.91 × 433,086.86
  4. Step 4: Simplify right side
    552,438.74x = 330,495,473,277.94
  5. Step 5: Solve for x
    x = 330,495,473,277.94/552,438.74
  6. Step 6: Final answer
    x = 598,248.18

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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.