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Finding the Fourth Proportional to 295,514.40, 442,753.20 and 242,637.60

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Solution

The fourth proportional to 295,514.40, 442,753.20 and 242,637.60 is: 363,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,514.40 : 442,753.20 = 242,637.60 : x
  2. Step 2: Convert to fraction form
    295,514.40/442,753.20 = 242,637.60/x
  3. Step 3: Cross multiply
    295,514.40x = 442,753.20 × 242,637.60
  4. Step 4: Simplify right side
    295,514.40x = 107,428,573,840.32
  5. Step 5: Solve for x
    x = 107,428,573,840.32/295,514.40
  6. Step 6: Final answer
    x = 363,530.76

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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.