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Finding the Fourth Proportional to 552,579.17, 828,865.98 and 477,470.78

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Solution

The fourth proportional to 552,579.17, 828,865.98 and 477,470.78 is: 716,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,579.17 : 828,865.98 = 477,470.78 : x
  2. Step 2: Convert to fraction form
    552,579.17/828,865.98 = 477,470.78/x
  3. Step 3: Cross multiply
    552,579.17x = 828,865.98 × 477,470.78
  4. Step 4: Simplify right side
    552,579.17x = 395,759,285,986.06
  5. Step 5: Solve for x
    x = 395,759,285,986.06/552,579.17
  6. Step 6: Final answer
    x = 716,203.77

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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.