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Finding the Fourth Proportional to 1,844,984.70, 2,767,995.45 and 898,386.30

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Solution

The fourth proportional to 1,844,984.70, 2,767,995.45 and 898,386.30 is: 1,347,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,984.70 : 2,767,995.45 = 898,386.30 : x
  2. Step 2: Convert to fraction form
    1,844,984.70/2,767,995.45 = 898,386.30/x
  3. Step 3: Cross multiply
    1,844,984.70x = 2,767,995.45 × 898,386.30
  4. Step 4: Simplify right side
    1,844,984.70x = 2,486,729,190,742.34
  5. Step 5: Solve for x
    x = 2,486,729,190,742.34/1,844,984.70
  6. Step 6: Final answer
    x = 1,347,831.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.