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Finding the Fourth Proportional to 372,124.96, 558,187.68 and 306,194.56

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Solution

The fourth proportional to 372,124.96, 558,187.68 and 306,194.56 is: 459,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,124.96 : 558,187.68 = 306,194.56 : x
  2. Step 2: Convert to fraction form
    372,124.96/558,187.68 = 306,194.56/x
  3. Step 3: Cross multiply
    372,124.96x = 558,187.68 × 306,194.56
  4. Step 4: Simplify right side
    372,124.96x = 170,914,031,075.02
  5. Step 5: Solve for x
    x = 170,914,031,075.02/372,124.96
  6. Step 6: Final answer
    x = 459,292.04

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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.