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Finding the Fourth Proportional to 1,885,365.76, 2,828,048.64 and 1,552,241.92

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Solution

The fourth proportional to 1,885,365.76, 2,828,048.64 and 1,552,241.92 is: 2,328,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,365.76 : 2,828,048.64 = 1,552,241.92 : x
  2. Step 2: Convert to fraction form
    1,885,365.76/2,828,048.64 = 1,552,241.92/x
  3. Step 3: Cross multiply
    1,885,365.76x = 2,828,048.64 × 1,552,241.92
  4. Step 4: Simplify right side
    1,885,365.76x = 4,389,815,650,806.99
  5. Step 5: Solve for x
    x = 4,389,815,650,806.99/1,885,365.76
  6. Step 6: Final answer
    x = 2,328,362.88

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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.