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Finding the Fourth Proportional to 477,974.95, 717,070.44 and 158,126.07

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Solution

The fourth proportional to 477,974.95, 717,070.44 and 158,126.07 is: 237,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,974.95 : 717,070.44 = 158,126.07 : x
  2. Step 2: Convert to fraction form
    477,974.95/717,070.44 = 158,126.07/x
  3. Step 3: Cross multiply
    477,974.95x = 717,070.44 × 158,126.07
  4. Step 4: Simplify right side
    477,974.95x = 113,387,528,797.70
  5. Step 5: Solve for x
    x = 113,387,528,797.70/477,974.95
  6. Step 6: Final answer
    x = 237,224.83

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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.