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Finding the Fourth Proportional to 519,818.80, 779,728.20 and 466,674.70

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Solution

The fourth proportional to 519,818.80, 779,728.20 and 466,674.70 is: 700,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,818.80 : 779,728.20 = 466,674.70 : x
  2. Step 2: Convert to fraction form
    519,818.80/779,728.20 = 466,674.70/x
  3. Step 3: Cross multiply
    519,818.80x = 779,728.20 × 466,674.70
  4. Step 4: Simplify right side
    519,818.80x = 363,879,423,816.54
  5. Step 5: Solve for x
    x = 363,879,423,816.54/519,818.80
  6. Step 6: Final answer
    x = 700,012.05

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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.