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Finding the Fourth Proportional to 900,288, 1,348,932.67 and 633,488.01

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Solution

The fourth proportional to 900,288, 1,348,932.67 and 633,488.01 is: 949,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,288 : 1,348,932.67 = 633,488.01 : x
  2. Step 2: Convert to fraction form
    900,288/1,348,932.67 = 633,488.01/x
  3. Step 3: Cross multiply
    900,288x = 1,348,932.67 × 633,488.01
  4. Step 4: Simplify right side
    900,288x = 854,532,672,742.29
  5. Step 5: Solve for x
    x = 854,532,672,742.29/900,288
  6. Step 6: Final answer
    x = 949,177.01

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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.