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Finding the Fourth Proportional to 970,751.68, 1,456,171.26 and 371,557.42

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Solution

The fourth proportional to 970,751.68, 1,456,171.26 and 371,557.42 is: 557,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,751.68 : 1,456,171.26 = 371,557.42 : x
  2. Step 2: Convert to fraction form
    970,751.68/1,456,171.26 = 371,557.42/x
  3. Step 3: Cross multiply
    970,751.68x = 1,456,171.26 × 371,557.42
  4. Step 4: Simplify right side
    970,751.68x = 541,051,231,409.98
  5. Step 5: Solve for x
    x = 541,051,231,409.98/970,751.68
  6. Step 6: Final answer
    x = 557,352.87

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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.