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Finding the Fourth Proportional to 372,207.03, 513,728.37 and 227,044.91

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Solution

The fourth proportional to 372,207.03, 513,728.37 and 227,044.91 is: 313,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,207.03 : 513,728.37 = 227,044.91 : x
  2. Step 2: Convert to fraction form
    372,207.03/513,728.37 = 227,044.91/x
  3. Step 3: Cross multiply
    372,207.03x = 513,728.37 × 227,044.91
  4. Step 4: Simplify right side
    372,207.03x = 116,639,408,962.46
  5. Step 5: Solve for x
    x = 116,639,408,962.46/372,207.03
  6. Step 6: Final answer
    x = 313,372.40

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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.