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Finding the Fourth Proportional to 345,886.68, 518,987.65 and 177,525.22

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Solution

The fourth proportional to 345,886.68, 518,987.65 and 177,525.22 is: 266,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,886.68 : 518,987.65 = 177,525.22 : x
  2. Step 2: Convert to fraction form
    345,886.68/518,987.65 = 177,525.22/x
  3. Step 3: Cross multiply
    345,886.68x = 518,987.65 × 177,525.22
  4. Step 4: Simplify right side
    345,886.68x = 92,133,396,743.53
  5. Step 5: Solve for x
    x = 92,133,396,743.53/345,886.68
  6. Step 6: Final answer
    x = 266,368.73

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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.