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Finding the Fourth Proportional to 993,505, 1,371,037.08 and 540,796

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Solution

The fourth proportional to 993,505, 1,371,037.08 and 540,796 is: 746,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,505 : 1,371,037.08 = 540,796 : x
  2. Step 2: Convert to fraction form
    993,505/1,371,037.08 = 540,796/x
  3. Step 3: Cross multiply
    993,505x = 1,371,037.08 × 540,796
  4. Step 4: Simplify right side
    993,505x = 741,451,368,715.68
  5. Step 5: Solve for x
    x = 741,451,368,715.68/993,505
  6. Step 6: Final answer
    x = 746,298.58

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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.