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Finding the Fourth Proportional to 2,898,699.60, 4,342,800.60 and 2,478,795.60

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Solution

The fourth proportional to 2,898,699.60, 4,342,800.60 and 2,478,795.60 is: 3,713,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,699.60 : 4,342,800.60 = 2,478,795.60 : x
  2. Step 2: Convert to fraction form
    2,898,699.60/4,342,800.60 = 2,478,795.60/x
  3. Step 3: Cross multiply
    2,898,699.60x = 4,342,800.60 × 2,478,795.60
  4. Step 4: Simplify right side
    2,898,699.60x = 10,764,915,018,957.36
  5. Step 5: Solve for x
    x = 10,764,915,018,957.36/2,898,699.60
  6. Step 6: Final answer
    x = 3,713,704.94

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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.