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Finding the Fourth Proportional to 372,409.52, 558,701.76 and 123,091.52

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Solution

The fourth proportional to 372,409.52, 558,701.76 and 123,091.52 is: 184,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,409.52 : 558,701.76 = 123,091.52 : x
  2. Step 2: Convert to fraction form
    372,409.52/558,701.76 = 123,091.52/x
  3. Step 3: Cross multiply
    372,409.52x = 558,701.76 × 123,091.52
  4. Step 4: Simplify right side
    372,409.52x = 68,771,448,865.08
  5. Step 5: Solve for x
    x = 68,771,448,865.08/372,409.52
  6. Step 6: Final answer
    x = 184,666.19

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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.