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Finding the Fourth Proportional to 458,042.93, 632,103.03 and 254,107.20

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Solution

The fourth proportional to 458,042.93, 632,103.03 and 254,107.20 is: 350,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,042.93 : 632,103.03 = 254,107.20 : x
  2. Step 2: Convert to fraction form
    458,042.93/632,103.03 = 254,107.20/x
  3. Step 3: Cross multiply
    458,042.93x = 632,103.03 × 254,107.20
  4. Step 4: Simplify right side
    458,042.93x = 160,621,931,064.82
  5. Step 5: Solve for x
    x = 160,621,931,064.82/458,042.93
  6. Step 6: Final answer
    x = 350,670.04

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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.