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Finding the Fourth Proportional to 296,543.60, 444,815.40 and 217,811.60

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Solution

The fourth proportional to 296,543.60, 444,815.40 and 217,811.60 is: 326,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,543.60 : 444,815.40 = 217,811.60 : x
  2. Step 2: Convert to fraction form
    296,543.60/444,815.40 = 217,811.60/x
  3. Step 3: Cross multiply
    296,543.60x = 444,815.40 × 217,811.60
  4. Step 4: Simplify right side
    296,543.60x = 96,885,953,978.64
  5. Step 5: Solve for x
    x = 96,885,953,978.64/296,543.60
  6. Step 6: Final answer
    x = 326,717.40

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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.