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Finding the Fourth Proportional to 3,232,340.64, 4,848,510.96 and 988,478.64

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Solution

The fourth proportional to 3,232,340.64, 4,848,510.96 and 988,478.64 is: 1,482,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232,340.64 : 4,848,510.96 = 988,478.64 : x
  2. Step 2: Convert to fraction form
    3,232,340.64/4,848,510.96 = 988,478.64/x
  3. Step 3: Cross multiply
    3,232,340.64x = 4,848,510.96 × 988,478.64
  4. Step 4: Simplify right side
    3,232,340.64x = 4,792,649,519,765.89
  5. Step 5: Solve for x
    x = 4,792,649,519,765.89/3,232,340.64
  6. Step 6: Final answer
    x = 1,482,717.96

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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.