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Finding the Fourth Proportional to 647,585.20, 971,377.80 and 592,472.80

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Solution

The fourth proportional to 647,585.20, 971,377.80 and 592,472.80 is: 888,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,585.20 : 971,377.80 = 592,472.80 : x
  2. Step 2: Convert to fraction form
    647,585.20/971,377.80 = 592,472.80/x
  3. Step 3: Cross multiply
    647,585.20x = 971,377.80 × 592,472.80
  4. Step 4: Simplify right side
    647,585.20x = 575,514,925,023.84
  5. Step 5: Solve for x
    x = 575,514,925,023.84/647,585.20
  6. Step 6: Final answer
    x = 888,709.20

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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.