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Finding the Fourth Proportional to 341,066.60, 511,595.10 and 154,077.80

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Solution

The fourth proportional to 341,066.60, 511,595.10 and 154,077.80 is: 231,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,066.60 : 511,595.10 = 154,077.80 : x
  2. Step 2: Convert to fraction form
    341,066.60/511,595.10 = 154,077.80/x
  3. Step 3: Cross multiply
    341,066.60x = 511,595.10 × 154,077.80
  4. Step 4: Simplify right side
    341,066.60x = 78,825,447,498.78
  5. Step 5: Solve for x
    x = 78,825,447,498.78/341,066.60
  6. Step 6: Final answer
    x = 231,114.53

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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.