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Finding the Fourth Proportional to 584,458.40, 876,687.60 and 269,530.40

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Solution

The fourth proportional to 584,458.40, 876,687.60 and 269,530.40 is: 404,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,458.40 : 876,687.60 = 269,530.40 : x
  2. Step 2: Convert to fraction form
    584,458.40/876,687.60 = 269,530.40/x
  3. Step 3: Cross multiply
    584,458.40x = 876,687.60 × 269,530.40
  4. Step 4: Simplify right side
    584,458.40x = 236,293,959,503.04
  5. Step 5: Solve for x
    x = 236,293,959,503.04/584,458.40
  6. Step 6: Final answer
    x = 404,295.60

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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.