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Finding the Fourth Proportional to 6,492,318.70, 9,738,478.05 and 6,244,312.90

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Solution

The fourth proportional to 6,492,318.70, 9,738,478.05 and 6,244,312.90 is: 9,366,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492,318.70 : 9,738,478.05 = 6,244,312.90 : x
  2. Step 2: Convert to fraction form
    6,492,318.70/9,738,478.05 = 6,244,312.90/x
  3. Step 3: Cross multiply
    6,492,318.70x = 9,738,478.05 × 6,244,312.90
  4. Step 4: Simplify right side
    6,492,318.70x = 60,810,104,113,981.85
  5. Step 5: Solve for x
    x = 60,810,104,113,981.85/6,492,318.70
  6. Step 6: Final answer
    x = 9,366,469.35

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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.