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Finding the Fourth Proportional to 563,886.70, 845,924.86 and 279,591.28

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Solution

The fourth proportional to 563,886.70, 845,924.86 and 279,591.28 is: 419,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,886.70 : 845,924.86 = 279,591.28 : x
  2. Step 2: Convert to fraction form
    563,886.70/845,924.86 = 279,591.28/x
  3. Step 3: Cross multiply
    563,886.70x = 845,924.86 × 279,591.28
  4. Step 4: Simplify right side
    563,886.70x = 236,513,214,391.22
  5. Step 5: Solve for x
    x = 236,513,214,391.22/563,886.70
  6. Step 6: Final answer
    x = 419,433.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.