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Finding the Fourth Proportional to 651,901.26, 978,132.80 and 352,592.58

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Solution

The fourth proportional to 651,901.26, 978,132.80 and 352,592.58 is: 529,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,901.26 : 978,132.80 = 352,592.58 : x
  2. Step 2: Convert to fraction form
    651,901.26/978,132.80 = 352,592.58/x
  3. Step 3: Cross multiply
    651,901.26x = 978,132.80 × 352,592.58
  4. Step 4: Simplify right side
    651,901.26x = 344,882,367,534.62
  5. Step 5: Solve for x
    x = 344,882,367,534.62/651,901.26
  6. Step 6: Final answer
    x = 529,040.81

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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.