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Finding the Fourth Proportional to 591,108.40, 885,350.40 and 486,132.40

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Solution

The fourth proportional to 591,108.40, 885,350.40 and 486,132.40 is: 728,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,108.40 : 885,350.40 = 486,132.40 : x
  2. Step 2: Convert to fraction form
    591,108.40/885,350.40 = 486,132.40/x
  3. Step 3: Cross multiply
    591,108.40x = 885,350.40 × 486,132.40
  4. Step 4: Simplify right side
    591,108.40x = 430,397,514,792.96
  5. Step 5: Solve for x
    x = 430,397,514,792.96/591,108.40
  6. Step 6: Final answer
    x = 728,119.44

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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.