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Finding the Fourth Proportional to 458,065.32, 632,130.88 and 254,116.24

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Solution

The fourth proportional to 458,065.32, 632,130.88 and 254,116.24 is: 350,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,065.32 : 632,130.88 = 254,116.24 : x
  2. Step 2: Convert to fraction form
    458,065.32/632,130.88 = 254,116.24/x
  3. Step 3: Cross multiply
    458,065.32x = 632,130.88 × 254,116.24
  4. Step 4: Simplify right side
    458,065.32x = 160,634,717,982.26
  5. Step 5: Solve for x
    x = 160,634,717,982.26/458,065.32
  6. Step 6: Final answer
    x = 350,680.81

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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.