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Finding the Fourth Proportional to 585,594.80, 878,392.20 and 526,545.80

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Solution

The fourth proportional to 585,594.80, 878,392.20 and 526,545.80 is: 789,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,594.80 : 878,392.20 = 526,545.80 : x
  2. Step 2: Convert to fraction form
    585,594.80/878,392.20 = 526,545.80/x
  3. Step 3: Cross multiply
    585,594.80x = 878,392.20 × 526,545.80
  4. Step 4: Simplify right side
    585,594.80x = 462,513,723,662.76
  5. Step 5: Solve for x
    x = 462,513,723,662.76/585,594.80
  6. Step 6: Final answer
    x = 789,818.70

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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.