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Finding the Fourth Proportional to 696,162.80, 960,687.37 and 386,063.62

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Solution

The fourth proportional to 696,162.80, 960,687.37 and 386,063.62 is: 532,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,162.80 : 960,687.37 = 386,063.62 : x
  2. Step 2: Convert to fraction form
    696,162.80/960,687.37 = 386,063.62/x
  3. Step 3: Cross multiply
    696,162.80x = 960,687.37 × 386,063.62
  4. Step 4: Simplify right side
    696,162.80x = 370,886,441,831.34
  5. Step 5: Solve for x
    x = 370,886,441,831.34/696,162.80
  6. Step 6: Final answer
    x = 532,758.20

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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.