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Finding the Fourth Proportional to 577,719.24, 866,209.56 and 277,602.60

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Solution

The fourth proportional to 577,719.24, 866,209.56 and 277,602.60 is: 416,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,719.24 : 866,209.56 = 277,602.60 : x
  2. Step 2: Convert to fraction form
    577,719.24/866,209.56 = 277,602.60/x
  3. Step 3: Cross multiply
    577,719.24x = 866,209.56 × 277,602.60
  4. Step 4: Simplify right side
    577,719.24x = 240,462,026,000.86
  5. Step 5: Solve for x
    x = 240,462,026,000.86/577,719.24
  6. Step 6: Final answer
    x = 416,226.45

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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.