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Finding the Fourth Proportional to 6,603,627.60, 9,905,441.40 and 4,796,728.20

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Solution

The fourth proportional to 6,603,627.60, 9,905,441.40 and 4,796,728.20 is: 7,195,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,627.60 : 9,905,441.40 = 4,796,728.20 : x
  2. Step 2: Convert to fraction form
    6,603,627.60/9,905,441.40 = 4,796,728.20/x
  3. Step 3: Cross multiply
    6,603,627.60x = 9,905,441.40 × 4,796,728.20
  4. Step 4: Simplify right side
    6,603,627.60x = 47,513,710,096,827.48
  5. Step 5: Solve for x
    x = 47,513,710,096,827.48/6,603,627.60
  6. Step 6: Final answer
    x = 7,195,092.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.