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Finding the Fourth Proportional to 466,220.40, 699,159.12 and 166,620

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Solution

The fourth proportional to 466,220.40, 699,159.12 and 166,620 is: 249,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,220.40 : 699,159.12 = 166,620 : x
  2. Step 2: Convert to fraction form
    466,220.40/699,159.12 = 166,620/x
  3. Step 3: Cross multiply
    466,220.40x = 699,159.12 × 166,620
  4. Step 4: Simplify right side
    466,220.40x = 116,493,892,574.40
  5. Step 5: Solve for x
    x = 116,493,892,574.40/466,220.40
  6. Step 6: Final answer
    x = 249,868.72

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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.