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Finding the Fourth Proportional to 425,483.92, 587,157.70 and 231,897.76

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Solution

The fourth proportional to 425,483.92, 587,157.70 and 231,897.76 is: 320,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,483.92 : 587,157.70 = 231,897.76 : x
  2. Step 2: Convert to fraction form
    425,483.92/587,157.70 = 231,897.76/x
  3. Step 3: Cross multiply
    425,483.92x = 587,157.70 × 231,897.76
  4. Step 4: Simplify right side
    425,483.92x = 136,160,555,396.75
  5. Step 5: Solve for x
    x = 136,160,555,396.75/425,483.92
  6. Step 6: Final answer
    x = 320,013.40

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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.