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Finding the Fourth Proportional to 556,076.52, 834,254.88 and 256,766.88

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Solution

The fourth proportional to 556,076.52, 834,254.88 and 256,766.88 is: 385,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,076.52 : 834,254.88 = 256,766.88 : x
  2. Step 2: Convert to fraction form
    556,076.52/834,254.88 = 256,766.88/x
  3. Step 3: Cross multiply
    556,076.52x = 834,254.88 × 256,766.88
  4. Step 4: Simplify right side
    556,076.52x = 214,209,022,662.37
  5. Step 5: Solve for x
    x = 214,209,022,662.37/556,076.52
  6. Step 6: Final answer
    x = 385,215.01

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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.