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Finding the Fourth Proportional to 1,769,598.89, 2,641,479.60 and 1,518,493.03

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Solution

The fourth proportional to 1,769,598.89, 2,641,479.60 and 1,518,493.03 is: 2,266,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,598.89 : 2,641,479.60 = 1,518,493.03 : x
  2. Step 2: Convert to fraction form
    1,769,598.89/2,641,479.60 = 1,518,493.03/x
  3. Step 3: Cross multiply
    1,769,598.89x = 2,641,479.60 × 1,518,493.03
  4. Step 4: Simplify right side
    1,769,598.89x = 4,011,068,361,487.19
  5. Step 5: Solve for x
    x = 4,011,068,361,487.19/1,769,598.89
  6. Step 6: Final answer
    x = 2,266,653.98

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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.