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Finding the Fourth Proportional to 4,868,699.93, 7,303,714.31 and 2,028,147.78

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Solution

The fourth proportional to 4,868,699.93, 7,303,714.31 and 2,028,147.78 is: 3,042,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868,699.93 : 7,303,714.31 = 2,028,147.78 : x
  2. Step 2: Convert to fraction form
    4,868,699.93/7,303,714.31 = 2,028,147.78/x
  3. Step 3: Cross multiply
    4,868,699.93x = 7,303,714.31 × 2,028,147.78
  4. Step 4: Simplify right side
    4,868,699.93x = 14,813,011,963,580.73
  5. Step 5: Solve for x
    x = 14,813,011,963,580.73/4,868,699.93
  6. Step 6: Final answer
    x = 3,042,498.45

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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.