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Finding the Fourth Proportional to 458,153.70, 632,327.95 and 254,270.10

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Solution

The fourth proportional to 458,153.70, 632,327.95 and 254,270.10 is: 350,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,153.70 : 632,327.95 = 254,270.10 : x
  2. Step 2: Convert to fraction form
    458,153.70/632,327.95 = 254,270.10/x
  3. Step 3: Cross multiply
    458,153.70x = 632,327.95 × 254,270.10
  4. Step 4: Simplify right side
    458,153.70x = 160,782,091,079.30
  5. Step 5: Solve for x
    x = 160,782,091,079.30/458,153.70
  6. Step 6: Final answer
    x = 350,934.83

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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.