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Finding the Fourth Proportional to 625,459.32, 938,268.56 and 170,060.11

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Solution

The fourth proportional to 625,459.32, 938,268.56 and 170,060.11 is: 255,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,459.32 : 938,268.56 = 170,060.11 : x
  2. Step 2: Convert to fraction form
    625,459.32/938,268.56 = 170,060.11/x
  3. Step 3: Cross multiply
    625,459.32x = 938,268.56 × 170,060.11
  4. Step 4: Simplify right side
    625,459.32x = 159,562,052,602.62
  5. Step 5: Solve for x
    x = 159,562,052,602.62/625,459.32
  6. Step 6: Final answer
    x = 255,111.80

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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.