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Finding the Fourth Proportional to 473,066.20, 709,793.70 and 173,690.20

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Solution

The fourth proportional to 473,066.20, 709,793.70 and 173,690.20 is: 260,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,066.20 : 709,793.70 = 173,690.20 : x
  2. Step 2: Convert to fraction form
    473,066.20/709,793.70 = 173,690.20/x
  3. Step 3: Cross multiply
    473,066.20x = 709,793.70 × 173,690.20
  4. Step 4: Simplify right side
    473,066.20x = 123,284,209,711.74
  5. Step 5: Solve for x
    x = 123,284,209,711.74/473,066.20
  6. Step 6: Final answer
    x = 260,606.68

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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.