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Finding the Fourth Proportional to 622,808.20, 934,212.30 and 482,840.20

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Solution

The fourth proportional to 622,808.20, 934,212.30 and 482,840.20 is: 724,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,808.20 : 934,212.30 = 482,840.20 : x
  2. Step 2: Convert to fraction form
    622,808.20/934,212.30 = 482,840.20/x
  3. Step 3: Cross multiply
    622,808.20x = 934,212.30 × 482,840.20
  4. Step 4: Simplify right side
    622,808.20x = 451,075,253,774.46
  5. Step 5: Solve for x
    x = 451,075,253,774.46/622,808.20
  6. Step 6: Final answer
    x = 724,260.30

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Double scale
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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.