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Finding the Fourth Proportional to 586,443.92, 879,682.20 and 207,311.04

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Solution

The fourth proportional to 586,443.92, 879,682.20 and 207,311.04 is: 310,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,443.92 : 879,682.20 = 207,311.04 : x
  2. Step 2: Convert to fraction form
    586,443.92/879,682.20 = 207,311.04/x
  3. Step 3: Cross multiply
    586,443.92x = 879,682.20 × 207,311.04
  4. Step 4: Simplify right side
    586,443.92x = 182,367,831,751.49
  5. Step 5: Solve for x
    x = 182,367,831,751.49/586,443.92
  6. Step 6: Final answer
    x = 310,972.33

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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.