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Finding the Fourth Proportional to 616,932.32, 925,054.61 and 190,347.03

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Solution

The fourth proportional to 616,932.32, 925,054.61 and 190,347.03 is: 285,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,932.32 : 925,054.61 = 190,347.03 : x
  2. Step 2: Convert to fraction form
    616,932.32/925,054.61 = 190,347.03/x
  3. Step 3: Cross multiply
    616,932.32x = 925,054.61 × 190,347.03
  4. Step 4: Simplify right side
    616,932.32x = 176,081,396,649.57
  5. Step 5: Solve for x
    x = 176,081,396,649.57/616,932.32
  6. Step 6: Final answer
    x = 285,414.45

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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.