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Finding the Fourth Proportional to 767,362.50, 1,058,951.88 and 440,728.92

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Solution

The fourth proportional to 767,362.50, 1,058,951.88 and 440,728.92 is: 608,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,362.50 : 1,058,951.88 = 440,728.92 : x
  2. Step 2: Convert to fraction form
    767,362.50/1,058,951.88 = 440,728.92/x
  3. Step 3: Cross multiply
    767,362.50x = 1,058,951.88 × 440,728.92
  4. Step 4: Simplify right side
    767,362.50x = 466,710,718,404.37
  5. Step 5: Solve for x
    x = 466,710,718,404.37/767,362.50
  6. Step 6: Final answer
    x = 608,201.10

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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.