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Finding the Fourth Proportional to 1,088,649, 1,502,386.86 and 605,222.22

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Solution

The fourth proportional to 1,088,649, 1,502,386.86 and 605,222.22 is: 835,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,649 : 1,502,386.86 = 605,222.22 : x
  2. Step 2: Convert to fraction form
    1,088,649/1,502,386.86 = 605,222.22/x
  3. Step 3: Cross multiply
    1,088,649x = 1,502,386.86 × 605,222.22
  4. Step 4: Simplify right side
    1,088,649x = 909,277,910,708.03
  5. Step 5: Solve for x
    x = 909,277,910,708.03/1,088,649
  6. Step 6: Final answer
    x = 835,235.15

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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.