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Finding the Fourth Proportional to 555,642.52, 833,463.78 and 134,915.56

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Solution

The fourth proportional to 555,642.52, 833,463.78 and 134,915.56 is: 202,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,642.52 : 833,463.78 = 134,915.56 : x
  2. Step 2: Convert to fraction form
    555,642.52/833,463.78 = 134,915.56/x
  3. Step 3: Cross multiply
    555,642.52x = 833,463.78 × 134,915.56
  4. Step 4: Simplify right side
    555,642.52x = 112,447,232,618.42
  5. Step 5: Solve for x
    x = 112,447,232,618.42/555,642.52
  6. Step 6: Final answer
    x = 202,373.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.