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Finding the Fourth Proportional to 584,870.40, 876,139.20 and 335,260.80

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Solution

The fourth proportional to 584,870.40, 876,139.20 and 335,260.80 is: 502,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,870.40 : 876,139.20 = 335,260.80 : x
  2. Step 2: Convert to fraction form
    584,870.40/876,139.20 = 335,260.80/x
  3. Step 3: Cross multiply
    584,870.40x = 876,139.20 × 335,260.80
  4. Step 4: Simplify right side
    584,870.40x = 293,735,129,103.36
  5. Step 5: Solve for x
    x = 293,735,129,103.36/584,870.40
  6. Step 6: Final answer
    x = 502,222.59

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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.