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Finding the Fourth Proportional to 4,964,812.88, 7,447,219.72 and 1,599,019.88

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Solution

The fourth proportional to 4,964,812.88, 7,447,219.72 and 1,599,019.88 is: 2,398,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964,812.88 : 7,447,219.72 = 1,599,019.88 : x
  2. Step 2: Convert to fraction form
    4,964,812.88/7,447,219.72 = 1,599,019.88/x
  3. Step 3: Cross multiply
    4,964,812.88x = 7,447,219.72 × 1,599,019.88
  4. Step 4: Simplify right side
    4,964,812.88x = 11,908,252,341,774.38
  5. Step 5: Solve for x
    x = 11,908,252,341,774.38/4,964,812.88
  6. Step 6: Final answer
    x = 2,398,529.94

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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.