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Finding the Fourth Proportional to 552,436.74, 763,113.15 and 433,084.86

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Solution

The fourth proportional to 552,436.74, 763,113.15 and 433,084.86 is: 598,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,436.74 : 763,113.15 = 433,084.86 : x
  2. Step 2: Convert to fraction form
    552,436.74/763,113.15 = 433,084.86/x
  3. Step 3: Cross multiply
    552,436.74x = 763,113.15 × 433,084.86
  4. Step 4: Simplify right side
    552,436.74x = 330,492,751,731.91
  5. Step 5: Solve for x
    x = 330,492,751,731.91/552,436.74
  6. Step 6: Final answer
    x = 598,245.42

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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.