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Finding the Fourth Proportional to 526,663.29, 726,795.08 and 297,268.72

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Solution

The fourth proportional to 526,663.29, 726,795.08 and 297,268.72 is: 410,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,663.29 : 726,795.08 = 297,268.72 : x
  2. Step 2: Convert to fraction form
    526,663.29/726,795.08 = 297,268.72/x
  3. Step 3: Cross multiply
    526,663.29x = 726,795.08 × 297,268.72
  4. Step 4: Simplify right side
    526,663.29x = 216,053,440,945.32
  5. Step 5: Solve for x
    x = 216,053,440,945.32/526,663.29
  6. Step 6: Final answer
    x = 410,230.68

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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.