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Finding the Fourth Proportional to 532,850.70, 799,276.05 and 322,380.30

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Solution

The fourth proportional to 532,850.70, 799,276.05 and 322,380.30 is: 483,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,850.70 : 799,276.05 = 322,380.30 : x
  2. Step 2: Convert to fraction form
    532,850.70/799,276.05 = 322,380.30/x
  3. Step 3: Cross multiply
    532,850.70x = 799,276.05 × 322,380.30
  4. Step 4: Simplify right side
    532,850.70x = 257,670,852,781.82
  5. Step 5: Solve for x
    x = 257,670,852,781.82/532,850.70
  6. Step 6: Final answer
    x = 483,570.45

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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.