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Finding the Fourth Proportional to 469,792.54, 648,345.99 and 265,843.18

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Solution

The fourth proportional to 469,792.54, 648,345.99 and 265,843.18 is: 366,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,792.54 : 648,345.99 = 265,843.18 : x
  2. Step 2: Convert to fraction form
    469,792.54/648,345.99 = 265,843.18/x
  3. Step 3: Cross multiply
    469,792.54x = 648,345.99 × 265,843.18
  4. Step 4: Simplify right side
    469,792.54x = 172,358,359,721.85
  5. Step 5: Solve for x
    x = 172,358,359,721.85/469,792.54
  6. Step 6: Final answer
    x = 366,881.86

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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.