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Finding the Fourth Proportional to 461,867.60, 692,801.40 and 440,216.30

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Solution

The fourth proportional to 461,867.60, 692,801.40 and 440,216.30 is: 660,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,867.60 : 692,801.40 = 440,216.30 : x
  2. Step 2: Convert to fraction form
    461,867.60/692,801.40 = 440,216.30/x
  3. Step 3: Cross multiply
    461,867.60x = 692,801.40 × 440,216.30
  4. Step 4: Simplify right side
    461,867.60x = 304,982,468,942.82
  5. Step 5: Solve for x
    x = 304,982,468,942.82/461,867.60
  6. Step 6: Final answer
    x = 660,324.45

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Similar ratio
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1.5x scale

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.