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Finding the Fourth Proportional to 655,328.20, 981,106.62 and 586,946.92

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Solution

The fourth proportional to 655,328.20, 981,106.62 and 586,946.92 is: 878,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,328.20 : 981,106.62 = 586,946.92 : x
  2. Step 2: Convert to fraction form
    655,328.20/981,106.62 = 586,946.92/x
  3. Step 3: Cross multiply
    655,328.20x = 981,106.62 × 586,946.92
  4. Step 4: Simplify right side
    655,328.20x = 575,857,508,800.61
  5. Step 5: Solve for x
    x = 575,857,508,800.61/655,328.20
  6. Step 6: Final answer
    x = 878,731.46

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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.