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Finding the Fourth Proportional to 348,443.69, 480,343.31 and 246,288.92

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Solution

The fourth proportional to 348,443.69, 480,343.31 and 246,288.92 is: 339,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,443.69 : 480,343.31 = 246,288.92 : x
  2. Step 2: Convert to fraction form
    348,443.69/480,343.31 = 246,288.92/x
  3. Step 3: Cross multiply
    348,443.69x = 480,343.31 × 246,288.92
  4. Step 4: Simplify right side
    348,443.69x = 118,303,236,426.85
  5. Step 5: Solve for x
    x = 118,303,236,426.85/348,443.69
  6. Step 6: Final answer
    x = 339,518.95

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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.