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Finding the Fourth Proportional to 965,761.76, 1,332,730.68 and 536,016.08

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Solution

The fourth proportional to 965,761.76, 1,332,730.68 and 536,016.08 is: 739,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,761.76 : 1,332,730.68 = 536,016.08 : x
  2. Step 2: Convert to fraction form
    965,761.76/1,332,730.68 = 536,016.08/x
  3. Step 3: Cross multiply
    965,761.76x = 1,332,730.68 × 536,016.08
  4. Step 4: Simplify right side
    965,761.76x = 714,365,074,789.33
  5. Step 5: Solve for x
    x = 714,365,074,789.33/965,761.76
  6. Step 6: Final answer
    x = 739,690.79

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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.