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Finding the Fourth Proportional to 232,399.80, 348,599.70 and 216,653.40

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Solution

The fourth proportional to 232,399.80, 348,599.70 and 216,653.40 is: 324,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,399.80 : 348,599.70 = 216,653.40 : x
  2. Step 2: Convert to fraction form
    232,399.80/348,599.70 = 216,653.40/x
  3. Step 3: Cross multiply
    232,399.80x = 348,599.70 × 216,653.40
  4. Step 4: Simplify right side
    232,399.80x = 75,525,310,243.98
  5. Step 5: Solve for x
    x = 75,525,310,243.98/232,399.80
  6. Step 6: Final answer
    x = 324,980.10

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1.5x scale

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.