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Finding the Fourth Proportional to 361,333.46, 498,723 and 240,479.84

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Solution

The fourth proportional to 361,333.46, 498,723 and 240,479.84 is: 331,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,333.46 : 498,723 = 240,479.84 : x
  2. Step 2: Convert to fraction form
    361,333.46/498,723 = 240,479.84/x
  3. Step 3: Cross multiply
    361,333.46x = 498,723 × 240,479.84
  4. Step 4: Simplify right side
    361,333.46x = 119,932,827,244.32
  5. Step 5: Solve for x
    x = 119,932,827,244.32/361,333.46
  6. Step 6: Final answer
    x = 331,917.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.