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Finding the Fourth Proportional to 458,299.75, 632,457.85 and 277,132.77

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Solution

The fourth proportional to 458,299.75, 632,457.85 and 277,132.77 is: 382,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,299.75 : 632,457.85 = 277,132.77 : x
  2. Step 2: Convert to fraction form
    458,299.75/632,457.85 = 277,132.77/x
  3. Step 3: Cross multiply
    458,299.75x = 632,457.85 × 277,132.77
  4. Step 4: Simplify right side
    458,299.75x = 175,274,793,147.31
  5. Step 5: Solve for x
    x = 175,274,793,147.31/458,299.75
  6. Step 6: Final answer
    x = 382,445.76

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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.