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Finding the Fourth Proportional to 408,523.20, 562,600.80 and 295,166.40

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Solution

The fourth proportional to 408,523.20, 562,600.80 and 295,166.40 is: 406,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,523.20 : 562,600.80 = 295,166.40 : x
  2. Step 2: Convert to fraction form
    408,523.20/562,600.80 = 295,166.40/x
  3. Step 3: Cross multiply
    408,523.20x = 562,600.80 × 295,166.40
  4. Step 4: Simplify right side
    408,523.20x = 166,060,852,773.12
  5. Step 5: Solve for x
    x = 166,060,852,773.12/408,523.20
  6. Step 6: Final answer
    x = 406,490.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.