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Finding the Fourth Proportional to 337,109.80, 506,247.90 and 326,612.20

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Solution

The fourth proportional to 337,109.80, 506,247.90 and 326,612.20 is: 490,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,109.80 : 506,247.90 = 326,612.20 : x
  2. Step 2: Convert to fraction form
    337,109.80/506,247.90 = 326,612.20/x
  3. Step 3: Cross multiply
    337,109.80x = 506,247.90 × 326,612.20
  4. Step 4: Simplify right side
    337,109.80x = 165,346,740,364.38
  5. Step 5: Solve for x
    x = 165,346,740,364.38/337,109.80
  6. Step 6: Final answer
    x = 490,483.34

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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.