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Finding the Fourth Proportional to 262,479.60, 393,719.40 and 246,927.60

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Solution

The fourth proportional to 262,479.60, 393,719.40 and 246,927.60 is: 370,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,479.60 : 393,719.40 = 246,927.60 : x
  2. Step 2: Convert to fraction form
    262,479.60/393,719.40 = 246,927.60/x
  3. Step 3: Cross multiply
    262,479.60x = 393,719.40 × 246,927.60
  4. Step 4: Simplify right side
    262,479.60x = 97,220,186,515.44
  5. Step 5: Solve for x
    x = 97,220,186,515.44/262,479.60
  6. Step 6: Final answer
    x = 370,391.40

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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.