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Finding the Fourth Proportional to 473,049.20, 709,573.80 and 173,430.20

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Solution

The fourth proportional to 473,049.20, 709,573.80 and 173,430.20 is: 260,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,049.20 : 709,573.80 = 173,430.20 : x
  2. Step 2: Convert to fraction form
    473,049.20/709,573.80 = 173,430.20/x
  3. Step 3: Cross multiply
    473,049.20x = 709,573.80 × 173,430.20
  4. Step 4: Simplify right side
    473,049.20x = 123,061,526,048.76
  5. Step 5: Solve for x
    x = 123,061,526,048.76/473,049.20
  6. Step 6: Final answer
    x = 260,145.30

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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.