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Finding the Fourth Proportional to 1,328,271, 1,992,406.50 and 441,807

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Solution

The fourth proportional to 1,328,271, 1,992,406.50 and 441,807 is: 662,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,271 : 1,992,406.50 = 441,807 : x
  2. Step 2: Convert to fraction form
    1,328,271/1,992,406.50 = 441,807/x
  3. Step 3: Cross multiply
    1,328,271x = 1,992,406.50 × 441,807
  4. Step 4: Simplify right side
    1,328,271x = 880,259,138,545.50
  5. Step 5: Solve for x
    x = 880,259,138,545.50/1,328,271
  6. Step 6: Final answer
    x = 662,710.50

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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.