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Finding the Fourth Proportional to 588,478.92, 812,920.74 and 566,630.76

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Solution

The fourth proportional to 588,478.92, 812,920.74 and 566,630.76 is: 782,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,478.92 : 812,920.74 = 566,630.76 : x
  2. Step 2: Convert to fraction form
    588,478.92/812,920.74 = 566,630.76/x
  3. Step 3: Cross multiply
    588,478.92x = 812,920.74 × 566,630.76
  4. Step 4: Simplify right side
    588,478.92x = 460,625,896,725.96
  5. Step 5: Solve for x
    x = 460,625,896,725.96/588,478.92
  6. Step 6: Final answer
    x = 782,739.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.