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Finding the Fourth Proportional to 560,264.68, 838,556.70 and 426,422.44

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Solution

The fourth proportional to 560,264.68, 838,556.70 and 426,422.44 is: 638,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,264.68 : 838,556.70 = 426,422.44 : x
  2. Step 2: Convert to fraction form
    560,264.68/838,556.70 = 426,422.44/x
  3. Step 3: Cross multiply
    560,264.68x = 838,556.70 × 426,422.44
  4. Step 4: Simplify right side
    560,264.68x = 357,579,394,092.35
  5. Step 5: Solve for x
    x = 357,579,394,092.35/560,264.68
  6. Step 6: Final answer
    x = 638,232.98

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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.