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Finding the Fourth Proportional to 491,501.76, 737,430.10 and 171,700.88

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Solution

The fourth proportional to 491,501.76, 737,430.10 and 171,700.88 is: 257,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,501.76 : 737,430.10 = 171,700.88 : x
  2. Step 2: Convert to fraction form
    491,501.76/737,430.10 = 171,700.88/x
  3. Step 3: Cross multiply
    491,501.76x = 737,430.10 × 171,700.88
  4. Step 4: Simplify right side
    491,501.76x = 126,617,397,108.49
  5. Step 5: Solve for x
    x = 126,617,397,108.49/491,501.76
  6. Step 6: Final answer
    x = 257,613.31

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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.