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Finding the Fourth Proportional to 482,549.44, 665,888.16 and 291,449.92

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Solution

The fourth proportional to 482,549.44, 665,888.16 and 291,449.92 is: 402,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,549.44 : 665,888.16 = 291,449.92 : x
  2. Step 2: Convert to fraction form
    482,549.44/665,888.16 = 291,449.92/x
  3. Step 3: Cross multiply
    482,549.44x = 665,888.16 × 291,449.92
  4. Step 4: Simplify right side
    482,549.44x = 194,073,050,960.95
  5. Step 5: Solve for x
    x = 194,073,050,960.95/482,549.44
  6. Step 6: Final answer
    x = 402,182.73

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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.