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Finding the Fourth Proportional to 1,750,507, 2,415,699.66 and 945,691

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Solution

The fourth proportional to 1,750,507, 2,415,699.66 and 945,691 is: 1,305,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,507 : 2,415,699.66 = 945,691 : x
  2. Step 2: Convert to fraction form
    1,750,507/2,415,699.66 = 945,691/x
  3. Step 3: Cross multiply
    1,750,507x = 2,415,699.66 × 945,691
  4. Step 4: Simplify right side
    1,750,507x = 2,284,505,427,165.06
  5. Step 5: Solve for x
    x = 2,284,505,427,165.06/1,750,507
  6. Step 6: Final answer
    x = 1,305,053.58

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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.