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Finding the Fourth Proportional to 296,503.53, 444,436.35 and 128,103.61

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Solution

The fourth proportional to 296,503.53, 444,436.35 and 128,103.61 is: 192,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,503.53 : 444,436.35 = 128,103.61 : x
  2. Step 2: Convert to fraction form
    296,503.53/444,436.35 = 128,103.61/x
  3. Step 3: Cross multiply
    296,503.53x = 444,436.35 × 128,103.61
  4. Step 4: Simplify right side
    296,503.53x = 56,933,900,850.22
  5. Step 5: Solve for x
    x = 56,933,900,850.22/296,503.53
  6. Step 6: Final answer
    x = 192,017.62

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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.