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Finding the Fourth Proportional to 304,846.88, 420,648.80 and 175,790.12

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Solution

The fourth proportional to 304,846.88, 420,648.80 and 175,790.12 is: 242,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,846.88 : 420,648.80 = 175,790.12 : x
  2. Step 2: Convert to fraction form
    304,846.88/420,648.80 = 175,790.12/x
  3. Step 3: Cross multiply
    304,846.88x = 420,648.80 × 175,790.12
  4. Step 4: Simplify right side
    304,846.88x = 73,945,903,029.86
  5. Step 5: Solve for x
    x = 73,945,903,029.86/304,846.88
  6. Step 6: Final answer
    x = 242,567.36

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1.5x scale

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.