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Finding the Fourth Proportional to 395,712.11, 546,092.75 and 242,834.74

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Solution

The fourth proportional to 395,712.11, 546,092.75 and 242,834.74 is: 335,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,712.11 : 546,092.75 = 242,834.74 : x
  2. Step 2: Convert to fraction form
    395,712.11/546,092.75 = 242,834.74/x
  3. Step 3: Cross multiply
    395,712.11x = 546,092.75 × 242,834.74
  4. Step 4: Simplify right side
    395,712.11x = 132,610,290,203.99
  5. Step 5: Solve for x
    x = 132,610,290,203.99/395,712.11
  6. Step 6: Final answer
    x = 335,118.10

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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.