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Finding the Fourth Proportional to 1,752,495, 2,418,443.22 and 947,679

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Solution

The fourth proportional to 1,752,495, 2,418,443.22 and 947,679 is: 1,307,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,495 : 2,418,443.22 = 947,679 : x
  2. Step 2: Convert to fraction form
    1,752,495/2,418,443.22 = 947,679/x
  3. Step 3: Cross multiply
    1,752,495x = 2,418,443.22 × 947,679
  4. Step 4: Simplify right side
    1,752,495x = 2,291,907,852,286.38
  5. Step 5: Solve for x
    x = 2,291,907,852,286.38/1,752,495
  6. Step 6: Final answer
    x = 1,307,797.08

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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.