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Finding the Fourth Proportional to 354,915.60, 532,373.40 and 329,254.80

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Solution

The fourth proportional to 354,915.60, 532,373.40 and 329,254.80 is: 493,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,915.60 : 532,373.40 = 329,254.80 : x
  2. Step 2: Convert to fraction form
    354,915.60/532,373.40 = 329,254.80/x
  3. Step 3: Cross multiply
    354,915.60x = 532,373.40 × 329,254.80
  4. Step 4: Simplify right side
    354,915.60x = 175,286,497,342.32
  5. Step 5: Solve for x
    x = 175,286,497,342.32/354,915.60
  6. Step 6: Final answer
    x = 493,882.20

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1.5x scale

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.