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Finding the Fourth Proportional to 533,456.35, 736,998.65 and 447,281.71

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Solution

The fourth proportional to 533,456.35, 736,998.65 and 447,281.71 is: 617,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,456.35 : 736,998.65 = 447,281.71 : x
  2. Step 2: Convert to fraction form
    533,456.35/736,998.65 = 447,281.71/x
  3. Step 3: Cross multiply
    533,456.35x = 736,998.65 × 447,281.71
  4. Step 4: Simplify right side
    533,456.35x = 329,646,016,439.69
  5. Step 5: Solve for x
    x = 329,646,016,439.69/533,456.35
  6. Step 6: Final answer
    x = 617,943.75

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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.