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Finding the Fourth Proportional to 311,344.52, 429,607.98 and 175,369.86

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Solution

The fourth proportional to 311,344.52, 429,607.98 and 175,369.86 is: 241,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,344.52 : 429,607.98 = 175,369.86 : x
  2. Step 2: Convert to fraction form
    311,344.52/429,607.98 = 175,369.86/x
  3. Step 3: Cross multiply
    311,344.52x = 429,607.98 × 175,369.86
  4. Step 4: Simplify right side
    311,344.52x = 75,340,291,307.48
  5. Step 5: Solve for x
    x = 75,340,291,307.48/311,344.52
  6. Step 6: Final answer
    x = 241,983.68

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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.