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Finding the Fourth Proportional to 264,281.87, 396,419.36 and 64,604.00

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Solution

The fourth proportional to 264,281.87, 396,419.36 and 64,604.00 is: 96,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,281.87 : 396,419.36 = 64,604.00 : x
  2. Step 2: Convert to fraction form
    264,281.87/396,419.36 = 64,604.00/x
  3. Step 3: Cross multiply
    264,281.87x = 396,419.36 × 64,604.00
  4. Step 4: Simplify right side
    264,281.87x = 25,610,277,001.47
  5. Step 5: Solve for x
    x = 25,610,277,001.47/264,281.87
  6. Step 6: Final answer
    x = 96,905.16

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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.