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Finding the Fourth Proportional to 575,874.24, 794,723.28 and 321,219.92

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Solution

The fourth proportional to 575,874.24, 794,723.28 and 321,219.92 is: 443,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,874.24 : 794,723.28 = 321,219.92 : x
  2. Step 2: Convert to fraction form
    575,874.24/794,723.28 = 321,219.92/x
  3. Step 3: Cross multiply
    575,874.24x = 794,723.28 × 321,219.92
  4. Step 4: Simplify right side
    575,874.24x = 255,280,948,423.74
  5. Step 5: Solve for x
    x = 255,280,948,423.74/575,874.24
  6. Step 6: Final answer
    x = 443,292.88

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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.