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Finding the Fourth Proportional to 1,718,369, 2,371,349.40 and 954,493.64

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Solution

The fourth proportional to 1,718,369, 2,371,349.40 and 954,493.64 is: 1,317,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,369 : 2,371,349.40 = 954,493.64 : x
  2. Step 2: Convert to fraction form
    1,718,369/2,371,349.40 = 954,493.64/x
  3. Step 3: Cross multiply
    1,718,369x = 2,371,349.40 × 954,493.64
  4. Step 4: Simplify right side
    1,718,369x = 2,263,437,920,517.82
  5. Step 5: Solve for x
    x = 2,263,437,920,517.82/1,718,369
  6. Step 6: Final answer
    x = 1,317,201.32

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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.