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Finding the Fourth Proportional to 459,564.89, 634,179.10 and 265,941.58

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Solution

The fourth proportional to 459,564.89, 634,179.10 and 265,941.58 is: 366,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,564.89 : 634,179.10 = 265,941.58 : x
  2. Step 2: Convert to fraction form
    459,564.89/634,179.10 = 265,941.58/x
  3. Step 3: Cross multiply
    459,564.89x = 634,179.10 × 265,941.58
  4. Step 4: Simplify right side
    459,564.89x = 168,654,591,856.98
  5. Step 5: Solve for x
    x = 168,654,591,856.98/459,564.89
  6. Step 6: Final answer
    x = 366,987.55

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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.