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Finding the Fourth Proportional to 486,763.02, 672,193.08 and 460,256.58

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Solution

The fourth proportional to 486,763.02, 672,193.08 and 460,256.58 is: 635,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,763.02 : 672,193.08 = 460,256.58 : x
  2. Step 2: Convert to fraction form
    486,763.02/672,193.08 = 460,256.58/x
  3. Step 3: Cross multiply
    486,763.02x = 672,193.08 × 460,256.58
  4. Step 4: Simplify right side
    486,763.02x = 309,381,288,100.47
  5. Step 5: Solve for x
    x = 309,381,288,100.47/486,763.02
  6. Step 6: Final answer
    x = 635,589.14

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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.