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Finding the Fourth Proportional to 620,601.40, 930,902.10 and 246,624.40

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Solution

The fourth proportional to 620,601.40, 930,902.10 and 246,624.40 is: 369,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,601.40 : 930,902.10 = 246,624.40 : x
  2. Step 2: Convert to fraction form
    620,601.40/930,902.10 = 246,624.40/x
  3. Step 3: Cross multiply
    620,601.40x = 930,902.10 × 246,624.40
  4. Step 4: Simplify right side
    620,601.40x = 229,583,171,871.24
  5. Step 5: Solve for x
    x = 229,583,171,871.24/620,601.40
  6. Step 6: Final answer
    x = 369,936.60

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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.