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Finding the Fourth Proportional to 322,897.80, 484,389.04 and 106,684.72

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Solution

The fourth proportional to 322,897.80, 484,389.04 and 106,684.72 is: 160,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,897.80 : 484,389.04 = 106,684.72 : x
  2. Step 2: Convert to fraction form
    322,897.80/484,389.04 = 106,684.72/x
  3. Step 3: Cross multiply
    322,897.80x = 484,389.04 × 106,684.72
  4. Step 4: Simplify right side
    322,897.80x = 51,676,909,103.47
  5. Step 5: Solve for x
    x = 51,676,909,103.47/322,897.80
  6. Step 6: Final answer
    x = 160,041.07

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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.