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Finding the Fourth Proportional to 537,707.25, 806,560.89 and 163,730.25

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Solution

The fourth proportional to 537,707.25, 806,560.89 and 163,730.25 is: 245,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,707.25 : 806,560.89 = 163,730.25 : x
  2. Step 2: Convert to fraction form
    537,707.25/806,560.89 = 163,730.25/x
  3. Step 3: Cross multiply
    537,707.25x = 806,560.89 × 163,730.25
  4. Step 4: Simplify right side
    537,707.25x = 132,058,416,159.92
  5. Step 5: Solve for x
    x = 132,058,416,159.92/537,707.25
  6. Step 6: Final answer
    x = 245,595.38

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Double scale
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Similar ratio
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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.