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Finding the Fourth Proportional to 584,886.40, 876,163.20 and 335,276.80

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Solution

The fourth proportional to 584,886.40, 876,163.20 and 335,276.80 is: 502,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,886.40 : 876,163.20 = 335,276.80 : x
  2. Step 2: Convert to fraction form
    584,886.40/876,163.20 = 335,276.80/x
  3. Step 3: Cross multiply
    584,886.40x = 876,163.20 × 335,276.80
  4. Step 4: Simplify right side
    584,886.40x = 293,757,193,973.76
  5. Step 5: Solve for x
    x = 293,757,193,973.76/584,886.40
  6. Step 6: Final answer
    x = 502,246.58

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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.