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Finding the Fourth Proportional to 582,423.68, 803,743.03 and 327,774.86

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Solution

The fourth proportional to 582,423.68, 803,743.03 and 327,774.86 is: 452,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,423.68 : 803,743.03 = 327,774.86 : x
  2. Step 2: Convert to fraction form
    582,423.68/803,743.03 = 327,774.86/x
  3. Step 3: Cross multiply
    582,423.68x = 803,743.03 × 327,774.86
  4. Step 4: Simplify right side
    582,423.68x = 263,446,760,324.15
  5. Step 5: Solve for x
    x = 263,446,760,324.15/582,423.68
  6. Step 6: Final answer
    x = 452,328.39

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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.