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Finding the Fourth Proportional to 458,360.76, 632,528.31 and 254,399.72

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Solution

The fourth proportional to 458,360.76, 632,528.31 and 254,399.72 is: 351,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,360.76 : 632,528.31 = 254,399.72 : x
  2. Step 2: Convert to fraction form
    458,360.76/632,528.31 = 254,399.72/x
  3. Step 3: Cross multiply
    458,360.76x = 632,528.31 × 254,399.72
  4. Step 4: Simplify right side
    458,360.76x = 160,915,021,793.43
  5. Step 5: Solve for x
    x = 160,915,021,793.43/458,360.76
  6. Step 6: Final answer
    x = 351,066.31

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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.