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Finding the Fourth Proportional to 4,920,796.45, 7,381,194.68 and 4,920,796.45

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Solution

The fourth proportional to 4,920,796.45, 7,381,194.68 and 4,920,796.45 is: 7,381,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,796.45 : 7,381,194.68 = 4,920,796.45 : x
  2. Step 2: Convert to fraction form
    4,920,796.45/7,381,194.68 = 4,920,796.45/x
  3. Step 3: Cross multiply
    4,920,796.45x = 7,381,194.68 × 4,920,796.45
  4. Step 4: Simplify right side
    4,920,796.45x = 36,321,356,578,102.88
  5. Step 5: Solve for x
    x = 36,321,356,578,102.88/4,920,796.45
  6. Step 6: Final answer
    x = 7,381,194.68

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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.