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Finding the Fourth Proportional to 582,484.16, 803,695.20 and 327,742.40

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Solution

The fourth proportional to 582,484.16, 803,695.20 and 327,742.40 is: 452,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,484.16 : 803,695.20 = 327,742.40 : x
  2. Step 2: Convert to fraction form
    582,484.16/803,695.20 = 327,742.40/x
  3. Step 3: Cross multiply
    582,484.16x = 803,695.20 × 327,742.40
  4. Step 4: Simplify right side
    582,484.16x = 263,404,993,716.48
  5. Step 5: Solve for x
    x = 263,404,993,716.48/582,484.16
  6. Step 6: Final answer
    x = 452,209.71

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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.