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Finding the Fourth Proportional to 661,766.00, 992,248.11 and 296,960.70

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Solution

The fourth proportional to 661,766.00, 992,248.11 and 296,960.70 is: 445,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,766.00 : 992,248.11 = 296,960.70 : x
  2. Step 2: Convert to fraction form
    661,766.00/992,248.11 = 296,960.70/x
  3. Step 3: Cross multiply
    661,766.00x = 992,248.11 × 296,960.70
  4. Step 4: Simplify right side
    661,766.00x = 294,658,693,319.28
  5. Step 5: Solve for x
    x = 294,658,693,319.28/661,766.00
  6. Step 6: Final answer
    x = 445,261.16

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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.