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Finding the Fourth Proportional to 458,207.90, 632,330.28 and 254,259.62

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Solution

The fourth proportional to 458,207.90, 632,330.28 and 254,259.62 is: 350,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,207.90 : 632,330.28 = 254,259.62 : x
  2. Step 2: Convert to fraction form
    458,207.90/632,330.28 = 254,259.62/x
  3. Step 3: Cross multiply
    458,207.90x = 632,330.28 × 254,259.62
  4. Step 4: Simplify right side
    458,207.90x = 160,776,056,707.29
  5. Step 5: Solve for x
    x = 160,776,056,707.29/458,207.90
  6. Step 6: Final answer
    x = 350,880.15

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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.