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Finding the Fourth Proportional to 650,347.26, 975,422.40 and 177,069.90

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Solution

The fourth proportional to 650,347.26, 975,422.40 and 177,069.90 is: 265,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,347.26 : 975,422.40 = 177,069.90 : x
  2. Step 2: Convert to fraction form
    650,347.26/975,422.40 = 177,069.90/x
  3. Step 3: Cross multiply
    650,347.26x = 975,422.40 × 177,069.90
  4. Step 4: Simplify right side
    650,347.26x = 172,717,946,825.76
  5. Step 5: Solve for x
    x = 172,717,946,825.76/650,347.26
  6. Step 6: Final answer
    x = 265,578.03

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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.