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Finding the Fourth Proportional to 1,502,759, 2,074,020 and 929,983.70

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Solution

The fourth proportional to 1,502,759, 2,074,020 and 929,983.70 is: 1,283,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,759 : 2,074,020 = 929,983.70 : x
  2. Step 2: Convert to fraction form
    1,502,759/2,074,020 = 929,983.70/x
  3. Step 3: Cross multiply
    1,502,759x = 2,074,020 × 929,983.70
  4. Step 4: Simplify right side
    1,502,759x = 1,928,804,793,474
  5. Step 5: Solve for x
    x = 1,928,804,793,474/1,502,759
  6. Step 6: Final answer
    x = 1,283,509.06

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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.