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Finding the Fourth Proportional to 1,168,334, 1,612,301.01 and 631,790

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Solution

The fourth proportional to 1,168,334, 1,612,301.01 and 631,790 is: 871,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,334 : 1,612,301.01 = 631,790 : x
  2. Step 2: Convert to fraction form
    1,168,334/1,612,301.01 = 631,790/x
  3. Step 3: Cross multiply
    1,168,334x = 1,612,301.01 × 631,790
  4. Step 4: Simplify right side
    1,168,334x = 1,018,635,655,107.90
  5. Step 5: Solve for x
    x = 1,018,635,655,107.90/1,168,334
  6. Step 6: Final answer
    x = 871,870.25

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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.