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Finding the Fourth Proportional to 993,627, 1,371,208.50 and 540,921.24

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Solution

The fourth proportional to 993,627, 1,371,208.50 and 540,921.24 is: 746,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,627 : 1,371,208.50 = 540,921.24 : x
  2. Step 2: Convert to fraction form
    993,627/1,371,208.50 = 540,921.24/x
  3. Step 3: Cross multiply
    993,627x = 1,371,208.50 × 540,921.24
  4. Step 4: Simplify right side
    993,627x = 741,715,802,118.54
  5. Step 5: Solve for x
    x = 741,715,802,118.54/993,627
  6. Step 6: Final answer
    x = 746,473.08

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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.