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Finding the Fourth Proportional to 472,809.30, 709,213.95 and 367,055.70

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Solution

The fourth proportional to 472,809.30, 709,213.95 and 367,055.70 is: 550,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,809.30 : 709,213.95 = 367,055.70 : x
  2. Step 2: Convert to fraction form
    472,809.30/709,213.95 = 367,055.70/x
  3. Step 3: Cross multiply
    472,809.30x = 709,213.95 × 367,055.70
  4. Step 4: Simplify right side
    472,809.30x = 260,321,022,867.02
  5. Step 5: Solve for x
    x = 260,321,022,867.02/472,809.30
  6. Step 6: Final answer
    x = 550,583.55

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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.