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Finding the Fourth Proportional to 625,026.58, 862,536.74 and 338,546.76

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Solution

The fourth proportional to 625,026.58, 862,536.74 and 338,546.76 is: 467,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,026.58 : 862,536.74 = 338,546.76 : x
  2. Step 2: Convert to fraction form
    625,026.58/862,536.74 = 338,546.76/x
  3. Step 3: Cross multiply
    625,026.58x = 862,536.74 × 338,546.76
  4. Step 4: Simplify right side
    625,026.58x = 292,009,018,707.96
  5. Step 5: Solve for x
    x = 292,009,018,707.96/625,026.58
  6. Step 6: Final answer
    x = 467,194.56

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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.