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Finding the Fourth Proportional to 473,191.20, 709,981.20 and 173,815.20

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Solution

The fourth proportional to 473,191.20, 709,981.20 and 173,815.20 is: 260,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,191.20 : 709,981.20 = 173,815.20 : x
  2. Step 2: Convert to fraction form
    473,191.20/709,981.20 = 173,815.20/x
  3. Step 3: Cross multiply
    473,191.20x = 709,981.20 × 173,815.20
  4. Step 4: Simplify right side
    473,191.20x = 123,405,524,274.24
  5. Step 5: Solve for x
    x = 123,405,524,274.24/473,191.20
  6. Step 6: Final answer
    x = 260,794.21

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1.5x scale

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.