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Finding the Fourth Proportional to 586,441.92, 879,679.20 and 207,309.04

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Solution

The fourth proportional to 586,441.92, 879,679.20 and 207,309.04 is: 310,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,441.92 : 879,679.20 = 207,309.04 : x
  2. Step 2: Convert to fraction form
    586,441.92/879,679.20 = 207,309.04/x
  3. Step 3: Cross multiply
    586,441.92x = 879,679.20 × 207,309.04
  4. Step 4: Simplify right side
    586,441.92x = 182,365,450,459.97
  5. Step 5: Solve for x
    x = 182,365,450,459.97/586,441.92
  6. Step 6: Final answer
    x = 310,969.33

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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.