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Finding the Fourth Proportional to 573,723.80, 860,585.70 and 516,643.10

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Solution

The fourth proportional to 573,723.80, 860,585.70 and 516,643.10 is: 774,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,723.80 : 860,585.70 = 516,643.10 : x
  2. Step 2: Convert to fraction form
    573,723.80/860,585.70 = 516,643.10/x
  3. Step 3: Cross multiply
    573,723.80x = 860,585.70 × 516,643.10
  4. Step 4: Simplify right side
    573,723.80x = 444,615,663,863.67
  5. Step 5: Solve for x
    x = 444,615,663,863.67/573,723.80
  6. Step 6: Final answer
    x = 774,964.65

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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.