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Finding the Fourth Proportional to 454,162.72, 626,745.13 and 247,430.08

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Solution

The fourth proportional to 454,162.72, 626,745.13 and 247,430.08 is: 341,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,162.72 : 626,745.13 = 247,430.08 : x
  2. Step 2: Convert to fraction form
    454,162.72/626,745.13 = 247,430.08/x
  3. Step 3: Cross multiply
    454,162.72x = 626,745.13 × 247,430.08
  4. Step 4: Simplify right side
    454,162.72x = 155,075,596,418.36
  5. Step 5: Solve for x
    x = 155,075,596,418.36/454,162.72
  6. Step 6: Final answer
    x = 341,453.83

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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.