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Finding the Fourth Proportional to 400,497.30, 601,329.15 and 243,033.30

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Solution

The fourth proportional to 400,497.30, 601,329.15 and 243,033.30 is: 364,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,497.30 : 601,329.15 = 243,033.30 : x
  2. Step 2: Convert to fraction form
    400,497.30/601,329.15 = 243,033.30/x
  3. Step 3: Cross multiply
    400,497.30x = 601,329.15 × 243,033.30
  4. Step 4: Simplify right side
    400,497.30x = 146,143,007,710.70
  5. Step 5: Solve for x
    x = 146,143,007,710.70/400,497.30
  6. Step 6: Final answer
    x = 364,903.85

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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.