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Finding the Fourth Proportional to 662,296.20, 993,854.70 and 346,979.40

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Solution

The fourth proportional to 662,296.20, 993,854.70 and 346,979.40 is: 520,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,296.20 : 993,854.70 = 346,979.40 : x
  2. Step 2: Convert to fraction form
    662,296.20/993,854.70 = 346,979.40/x
  3. Step 3: Cross multiply
    662,296.20x = 993,854.70 × 346,979.40
  4. Step 4: Simplify right side
    662,296.20x = 344,847,107,493.18
  5. Step 5: Solve for x
    x = 344,847,107,493.18/662,296.20
  6. Step 6: Final answer
    x = 520,684.11

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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.