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Finding the Fourth Proportional to 582,545.04, 803,860.90 and 324,402.48

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Solution

The fourth proportional to 582,545.04, 803,860.90 and 324,402.48 is: 447,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,545.04 : 803,860.90 = 324,402.48 : x
  2. Step 2: Convert to fraction form
    582,545.04/803,860.90 = 324,402.48/x
  3. Step 3: Cross multiply
    582,545.04x = 803,860.90 × 324,402.48
  4. Step 4: Simplify right side
    582,545.04x = 260,774,469,535.03
  5. Step 5: Solve for x
    x = 260,774,469,535.03/582,545.04
  6. Step 6: Final answer
    x = 447,646.88

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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.