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Finding the Fourth Proportional to 232,915.20, 349,372.80 and 148,934.40

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Solution

The fourth proportional to 232,915.20, 349,372.80 and 148,934.40 is: 223,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,915.20 : 349,372.80 = 148,934.40 : x
  2. Step 2: Convert to fraction form
    232,915.20/349,372.80 = 148,934.40/x
  3. Step 3: Cross multiply
    232,915.20x = 349,372.80 × 148,934.40
  4. Step 4: Simplify right side
    232,915.20x = 52,033,628,344.32
  5. Step 5: Solve for x
    x = 52,033,628,344.32/232,915.20
  6. Step 6: Final answer
    x = 223,401.60

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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.