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Finding the Fourth Proportional to 1,769,598.90, 2,641,479.60 and 1,518,493.02

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Solution

The fourth proportional to 1,769,598.90, 2,641,479.60 and 1,518,493.02 is: 2,266,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,598.90 : 2,641,479.60 = 1,518,493.02 : x
  2. Step 2: Convert to fraction form
    1,769,598.90/2,641,479.60 = 1,518,493.02/x
  3. Step 3: Cross multiply
    1,769,598.90x = 2,641,479.60 × 1,518,493.02
  4. Step 4: Simplify right side
    1,769,598.90x = 4,011,068,335,072.39
  5. Step 5: Solve for x
    x = 4,011,068,335,072.39/1,769,598.90
  6. Step 6: Final answer
    x = 2,266,653.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.