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Finding the Fourth Proportional to 250,712.08, 375,714.54 and 138,442.84

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Solution

The fourth proportional to 250,712.08, 375,714.54 and 138,442.84 is: 207,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,712.08 : 375,714.54 = 138,442.84 : x
  2. Step 2: Convert to fraction form
    250,712.08/375,714.54 = 138,442.84/x
  3. Step 3: Cross multiply
    250,712.08x = 375,714.54 × 138,442.84
  4. Step 4: Simplify right side
    250,712.08x = 52,014,987,007.61
  5. Step 5: Solve for x
    x = 52,014,987,007.61/250,712.08
  6. Step 6: Final answer
    x = 207,469.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.