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Finding the Fourth Proportional to 579,778.80, 869,927.12 and 224,820.60

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Solution

The fourth proportional to 579,778.80, 869,927.12 and 224,820.60 is: 337,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,778.80 : 869,927.12 = 224,820.60 : x
  2. Step 2: Convert to fraction form
    579,778.80/869,927.12 = 224,820.60/x
  3. Step 3: Cross multiply
    579,778.80x = 869,927.12 × 224,820.60
  4. Step 4: Simplify right side
    579,778.80x = 195,577,537,074.67
  5. Step 5: Solve for x
    x = 195,577,537,074.67/579,778.80
  6. Step 6: Final answer
    x = 337,331.30

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Double scale
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Similar ratio
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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.