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Finding the Fourth Proportional to 1,322,322.56, 1,824,677.66 and 741,569.50

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Solution

The fourth proportional to 1,322,322.56, 1,824,677.66 and 741,569.50 is: 1,023,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,322.56 : 1,824,677.66 = 741,569.50 : x
  2. Step 2: Convert to fraction form
    1,322,322.56/1,824,677.66 = 741,569.50/x
  3. Step 3: Cross multiply
    1,322,322.56x = 1,824,677.66 × 741,569.50
  4. Step 4: Simplify right side
    1,322,322.56x = 1,353,125,295,621.60
  5. Step 5: Solve for x
    x = 1,353,125,295,621.60/1,322,322.56
  6. Step 6: Final answer
    x = 1,023,294.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.