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Finding the Fourth Proportional to 559,672.70, 839,509.05 and 185,647.10

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Solution

The fourth proportional to 559,672.70, 839,509.05 and 185,647.10 is: 278,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,672.70 : 839,509.05 = 185,647.10 : x
  2. Step 2: Convert to fraction form
    559,672.70/839,509.05 = 185,647.10/x
  3. Step 3: Cross multiply
    559,672.70x = 839,509.05 × 185,647.10
  4. Step 4: Simplify right side
    559,672.70x = 155,852,420,556.26
  5. Step 5: Solve for x
    x = 155,852,420,556.26/559,672.70
  6. Step 6: Final answer
    x = 278,470.65

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Similar ratio
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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.