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Finding the Fourth Proportional to 408,641.52, 563,605.77 and 265,447.69

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Solution

The fourth proportional to 408,641.52, 563,605.77 and 265,447.69 is: 366,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,641.52 : 563,605.77 = 265,447.69 : x
  2. Step 2: Convert to fraction form
    408,641.52/563,605.77 = 265,447.69/x
  3. Step 3: Cross multiply
    408,641.52x = 563,605.77 × 265,447.69
  4. Step 4: Simplify right side
    408,641.52x = 149,607,849,717.17
  5. Step 5: Solve for x
    x = 149,607,849,717.17/408,641.52
  6. Step 6: Final answer
    x = 366,110.25

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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.