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Finding the Fourth Proportional to 582,445.92, 803,642.40 and 327,704.16

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Solution

The fourth proportional to 582,445.92, 803,642.40 and 327,704.16 is: 452,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,445.92 : 803,642.40 = 327,704.16 : x
  2. Step 2: Convert to fraction form
    582,445.92/803,642.40 = 327,704.16/x
  3. Step 3: Cross multiply
    582,445.92x = 803,642.40 × 327,704.16
  4. Step 4: Simplify right side
    582,445.92x = 263,356,957,632.38
  5. Step 5: Solve for x
    x = 263,356,957,632.38/582,445.92
  6. Step 6: Final answer
    x = 452,156.93

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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.