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Finding the Fourth Proportional to 1,357,660, 1,873,570.80 and 754,104.16

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Solution

The fourth proportional to 1,357,660, 1,873,570.80 and 754,104.16 is: 1,040,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,660 : 1,873,570.80 = 754,104.16 : x
  2. Step 2: Convert to fraction form
    1,357,660/1,873,570.80 = 754,104.16/x
  3. Step 3: Cross multiply
    1,357,660x = 1,873,570.80 × 754,104.16
  4. Step 4: Simplify right side
    1,357,660x = 1,412,867,534,334.53
  5. Step 5: Solve for x
    x = 1,412,867,534,334.53/1,357,660
  6. Step 6: Final answer
    x = 1,040,663.74

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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.