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Finding the Fourth Proportional to 397,344.80, 596,017.20 and 346,023.20

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Solution

The fourth proportional to 397,344.80, 596,017.20 and 346,023.20 is: 519,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,344.80 : 596,017.20 = 346,023.20 : x
  2. Step 2: Convert to fraction form
    397,344.80/596,017.20 = 346,023.20/x
  3. Step 3: Cross multiply
    397,344.80x = 596,017.20 × 346,023.20
  4. Step 4: Simplify right side
    397,344.80x = 206,235,778,799.04
  5. Step 5: Solve for x
    x = 206,235,778,799.04/397,344.80
  6. Step 6: Final answer
    x = 519,034.80

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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.