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Finding the Fourth Proportional to 458,066.85, 632,132.99 and 254,117.78

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Solution

The fourth proportional to 458,066.85, 632,132.99 and 254,117.78 is: 350,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,066.85 : 632,132.99 = 254,117.78 : x
  2. Step 2: Convert to fraction form
    458,066.85/632,132.99 = 254,117.78/x
  3. Step 3: Cross multiply
    458,066.85x = 632,132.99 × 254,117.78
  4. Step 4: Simplify right side
    458,066.85x = 160,636,229,558.19
  5. Step 5: Solve for x
    x = 160,636,229,558.19/458,066.85
  6. Step 6: Final answer
    x = 350,682.94

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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.