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Finding the Fourth Proportional to 802,585.56, 1,203,866.37 and 195,378.42

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Solution

The fourth proportional to 802,585.56, 1,203,866.37 and 195,378.42 is: 293,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,585.56 : 1,203,866.37 = 195,378.42 : x
  2. Step 2: Convert to fraction form
    802,585.56/1,203,866.37 = 195,378.42/x
  3. Step 3: Cross multiply
    802,585.56x = 1,203,866.37 × 195,378.42
  4. Step 4: Simplify right side
    802,585.56x = 235,209,509,261.74
  5. Step 5: Solve for x
    x = 235,209,509,261.74/802,585.56
  6. Step 6: Final answer
    x = 293,064.72

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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.