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Finding the Fourth Proportional to 295,310.20, 442,309.20 and 242,822.20

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Solution

The fourth proportional to 295,310.20, 442,309.20 and 242,822.20 is: 363,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,310.20 : 442,309.20 = 242,822.20 : x
  2. Step 2: Convert to fraction form
    295,310.20/442,309.20 = 242,822.20/x
  3. Step 3: Cross multiply
    295,310.20x = 442,309.20 × 242,822.20
  4. Step 4: Simplify right side
    295,310.20x = 107,402,493,024.24
  5. Step 5: Solve for x
    x = 107,402,493,024.24/295,310.20
  6. Step 6: Final answer
    x = 363,693.81

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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.