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Finding the Fourth Proportional to 491,366.34, 737,070.44 and 171,550.40

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Solution

The fourth proportional to 491,366.34, 737,070.44 and 171,550.40 is: 257,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,366.34 : 737,070.44 = 171,550.40 : x
  2. Step 2: Convert to fraction form
    491,366.34/737,070.44 = 171,550.40/x
  3. Step 3: Cross multiply
    491,366.34x = 737,070.44 × 171,550.40
  4. Step 4: Simplify right side
    491,366.34x = 126,444,724,267.07
  5. Step 5: Solve for x
    x = 126,444,724,267.07/491,366.34
  6. Step 6: Final answer
    x = 257,332.90

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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.