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Finding the Fourth Proportional to 472,811.30, 709,216.95 and 367,057.70

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Solution

The fourth proportional to 472,811.30, 709,216.95 and 367,057.70 is: 550,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,811.30 : 709,216.95 = 367,057.70 : x
  2. Step 2: Convert to fraction form
    472,811.30/709,216.95 = 367,057.70/x
  3. Step 3: Cross multiply
    472,811.30x = 709,216.95 × 367,057.70
  4. Step 4: Simplify right side
    472,811.30x = 260,323,542,468.02
  5. Step 5: Solve for x
    x = 260,323,542,468.02/472,811.30
  6. Step 6: Final answer
    x = 550,586.55

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Similar ratio
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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.