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Finding the Fourth Proportional to 550,031.16, 825,047.40 and 150,675.36

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Solution

The fourth proportional to 550,031.16, 825,047.40 and 150,675.36 is: 226,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,031.16 : 825,047.40 = 150,675.36 : x
  2. Step 2: Convert to fraction form
    550,031.16/825,047.40 = 150,675.36/x
  3. Step 3: Cross multiply
    550,031.16x = 825,047.40 × 150,675.36
  4. Step 4: Simplify right side
    550,031.16x = 124,314,314,012.06
  5. Step 5: Solve for x
    x = 124,314,314,012.06/550,031.16
  6. Step 6: Final answer
    x = 226,013.22

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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.