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Finding the Fourth Proportional to 543,251.92, 749,695.88 and 298,256.88

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Solution

The fourth proportional to 543,251.92, 749,695.88 and 298,256.88 is: 411,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,251.92 : 749,695.88 = 298,256.88 : x
  2. Step 2: Convert to fraction form
    543,251.92/749,695.88 = 298,256.88/x
  3. Step 3: Cross multiply
    543,251.92x = 749,695.88 × 298,256.88
  4. Step 4: Simplify right side
    543,251.92x = 223,601,954,117.65
  5. Step 5: Solve for x
    x = 223,601,954,117.65/543,251.92
  6. Step 6: Final answer
    x = 411,599.01

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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.