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Finding the Fourth Proportional to 356,397.39, 534,675.88 and 119,733.61

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Solution

The fourth proportional to 356,397.39, 534,675.88 and 119,733.61 is: 179,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,397.39 : 534,675.88 = 119,733.61 : x
  2. Step 2: Convert to fraction form
    356,397.39/534,675.88 = 119,733.61/x
  3. Step 3: Cross multiply
    356,397.39x = 534,675.88 × 119,733.61
  4. Step 4: Simplify right side
    356,397.39x = 64,018,673,292.33
  5. Step 5: Solve for x
    x = 64,018,673,292.33/356,397.39
  6. Step 6: Final answer
    x = 179,627.22

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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.