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Finding the Fourth Proportional to 582,455.42, 803,655.51 and 327,713.66

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Solution

The fourth proportional to 582,455.42, 803,655.51 and 327,713.66 is: 452,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,455.42 : 803,655.51 = 327,713.66 : x
  2. Step 2: Convert to fraction form
    582,455.42/803,655.51 = 327,713.66/x
  3. Step 3: Cross multiply
    582,455.42x = 803,655.51 × 327,713.66
  4. Step 4: Simplify right side
    582,455.42x = 263,368,888,561.27
  5. Step 5: Solve for x
    x = 263,368,888,561.27/582,455.42
  6. Step 6: Final answer
    x = 452,170.04

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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.