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Finding the Fourth Proportional to 402,703.52, 604,039.92 and 122,209.44

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Solution

The fourth proportional to 402,703.52, 604,039.92 and 122,209.44 is: 183,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,703.52 : 604,039.92 = 122,209.44 : x
  2. Step 2: Convert to fraction form
    402,703.52/604,039.92 = 122,209.44/x
  3. Step 3: Cross multiply
    402,703.52x = 604,039.92 × 122,209.44
  4. Step 4: Simplify right side
    402,703.52x = 73,819,380,360.84
  5. Step 5: Solve for x
    x = 73,819,380,360.84/402,703.52
  6. Step 6: Final answer
    x = 183,309.50

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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.