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Finding the Fourth Proportional to 367,934.40, 552,679.20 and 354,715.20

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Solution

The fourth proportional to 367,934.40, 552,679.20 and 354,715.20 is: 532,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,934.40 : 552,679.20 = 354,715.20 : x
  2. Step 2: Convert to fraction form
    367,934.40/552,679.20 = 354,715.20/x
  3. Step 3: Cross multiply
    367,934.40x = 552,679.20 × 354,715.20
  4. Step 4: Simplify right side
    367,934.40x = 196,043,712,963.84
  5. Step 5: Solve for x
    x = 196,043,712,963.84/367,934.40
  6. Step 6: Final answer
    x = 532,822.46

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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.