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Finding the Fourth Proportional to 560,734.44, 840,778.48 and 383,456.24

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Solution

The fourth proportional to 560,734.44, 840,778.48 and 383,456.24 is: 574,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,734.44 : 840,778.48 = 383,456.24 : x
  2. Step 2: Convert to fraction form
    560,734.44/840,778.48 = 383,456.24/x
  3. Step 3: Cross multiply
    560,734.44x = 840,778.48 × 383,456.24
  4. Step 4: Simplify right side
    560,734.44x = 322,401,754,613.72
  5. Step 5: Solve for x
    x = 322,401,754,613.72/560,734.44
  6. Step 6: Final answer
    x = 574,963.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.