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Finding the Fourth Proportional to 558,166.59, 770,303.49 and 328,876.68

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Solution

The fourth proportional to 558,166.59, 770,303.49 and 328,876.68 is: 453,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,166.59 : 770,303.49 = 328,876.68 : x
  2. Step 2: Convert to fraction form
    558,166.59/770,303.49 = 328,876.68/x
  3. Step 3: Cross multiply
    558,166.59x = 770,303.49 × 328,876.68
  4. Step 4: Simplify right side
    558,166.59x = 253,334,854,383.61
  5. Step 5: Solve for x
    x = 253,334,854,383.61/558,166.59
  6. Step 6: Final answer
    x = 453,869.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.