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Finding the Fourth Proportional to 447,240.61, 670,866.36 and 247,950.19

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Solution

The fourth proportional to 447,240.61, 670,866.36 and 247,950.19 is: 371,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,240.61 : 670,866.36 = 247,950.19 : x
  2. Step 2: Convert to fraction form
    447,240.61/670,866.36 = 247,950.19/x
  3. Step 3: Cross multiply
    447,240.61x = 670,866.36 × 247,950.19
  4. Step 4: Simplify right side
    447,240.61x = 166,341,441,426.61
  5. Step 5: Solve for x
    x = 166,341,441,426.61/447,240.61
  6. Step 6: Final answer
    x = 371,928.30

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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.