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Finding the Fourth Proportional to 576,910.81, 865,366.80 and 150,446.31

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Solution

The fourth proportional to 576,910.81, 865,366.80 and 150,446.31 is: 225,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,910.81 : 865,366.80 = 150,446.31 : x
  2. Step 2: Convert to fraction form
    576,910.81/865,366.80 = 150,446.31/x
  3. Step 3: Cross multiply
    576,910.81x = 865,366.80 × 150,446.31
  4. Step 4: Simplify right side
    576,910.81x = 130,191,241,856.51
  5. Step 5: Solve for x
    x = 130,191,241,856.51/576,910.81
  6. Step 6: Final answer
    x = 225,669.62

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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.