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Finding the Fourth Proportional to 1,752,761, 2,418,810.18 and 947,945

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Solution

The fourth proportional to 1,752,761, 2,418,810.18 and 947,945 is: 1,308,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,761 : 2,418,810.18 = 947,945 : x
  2. Step 2: Convert to fraction form
    1,752,761/2,418,810.18 = 947,945/x
  3. Step 3: Cross multiply
    1,752,761x = 2,418,810.18 × 947,945
  4. Step 4: Simplify right side
    1,752,761x = 2,292,899,016,080.10
  5. Step 5: Solve for x
    x = 2,292,899,016,080.10/1,752,761
  6. Step 6: Final answer
    x = 1,308,164.10

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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.