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Finding the Fourth Proportional to 510,909.70, 766,364.55 and 244,533.10

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Solution

The fourth proportional to 510,909.70, 766,364.55 and 244,533.10 is: 366,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,909.70 : 766,364.55 = 244,533.10 : x
  2. Step 2: Convert to fraction form
    510,909.70/766,364.55 = 244,533.10/x
  3. Step 3: Cross multiply
    510,909.70x = 766,364.55 × 244,533.10
  4. Step 4: Simplify right side
    510,909.70x = 187,401,499,141.61
  5. Step 5: Solve for x
    x = 187,401,499,141.61/510,909.70
  6. Step 6: Final answer
    x = 366,799.65

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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.