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Finding the Fourth Proportional to 574,904.52, 862,039.36 and 266,820.60

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Solution

The fourth proportional to 574,904.52, 862,039.36 and 266,820.60 is: 400,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,904.52 : 862,039.36 = 266,820.60 : x
  2. Step 2: Convert to fraction form
    574,904.52/862,039.36 = 266,820.60/x
  3. Step 3: Cross multiply
    574,904.52x = 862,039.36 × 266,820.60
  4. Step 4: Simplify right side
    574,904.52x = 230,009,859,258.82
  5. Step 5: Solve for x
    x = 230,009,859,258.82/574,904.52
  6. Step 6: Final answer
    x = 400,083.58

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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.