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Finding the Fourth Proportional to 677,260.48, 934,620.78 and 375,454.48

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Solution

The fourth proportional to 677,260.48, 934,620.78 and 375,454.48 is: 518,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,260.48 : 934,620.78 = 375,454.48 : x
  2. Step 2: Convert to fraction form
    677,260.48/934,620.78 = 375,454.48/x
  3. Step 3: Cross multiply
    677,260.48x = 934,620.78 × 375,454.48
  4. Step 4: Simplify right side
    677,260.48x = 350,907,558,952.09
  5. Step 5: Solve for x
    x = 350,907,558,952.09/677,260.48
  6. Step 6: Final answer
    x = 518,127.91

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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.