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Finding the Fourth Proportional to 605,978.06, 908,965.56 and 179,547.08

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Solution

The fourth proportional to 605,978.06, 908,965.56 and 179,547.08 is: 269,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,978.06 : 908,965.56 = 179,547.08 : x
  2. Step 2: Convert to fraction form
    605,978.06/908,965.56 = 179,547.08/x
  3. Step 3: Cross multiply
    605,978.06x = 908,965.56 × 179,547.08
  4. Step 4: Simplify right side
    605,978.06x = 163,202,107,573.74
  5. Step 5: Solve for x
    x = 163,202,107,573.74/605,978.06
  6. Step 6: Final answer
    x = 269,320.16

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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.