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Finding the Fourth Proportional to 436,259.98, 654,398.25 and 136,733.95

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Solution

The fourth proportional to 436,259.98, 654,398.25 and 136,733.95 is: 205,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,259.98 : 654,398.25 = 136,733.95 : x
  2. Step 2: Convert to fraction form
    436,259.98/654,398.25 = 136,733.95/x
  3. Step 3: Cross multiply
    436,259.98x = 654,398.25 × 136,733.95
  4. Step 4: Simplify right side
    436,259.98x = 89,478,457,595.59
  5. Step 5: Solve for x
    x = 89,478,457,595.59/436,259.98
  6. Step 6: Final answer
    x = 205,103.52

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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.