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Finding the Fourth Proportional to 458,199.90, 632,319.24 and 254,251.62

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Solution

The fourth proportional to 458,199.90, 632,319.24 and 254,251.62 is: 350,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,199.90 : 632,319.24 = 254,251.62 : x
  2. Step 2: Convert to fraction form
    458,199.90/632,319.24 = 254,251.62/x
  3. Step 3: Cross multiply
    458,199.90x = 632,319.24 × 254,251.62
  4. Step 4: Simplify right side
    458,199.90x = 160,768,191,127.17
  5. Step 5: Solve for x
    x = 160,768,191,127.17/458,199.90
  6. Step 6: Final answer
    x = 350,869.11

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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.