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Finding the Fourth Proportional to 353,267.80, 529,124.10 and 247,514.20

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Solution

The fourth proportional to 353,267.80, 529,124.10 and 247,514.20 is: 370,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.80 : 529,124.10 = 247,514.20 : x
  2. Step 2: Convert to fraction form
    353,267.80/529,124.10 = 247,514.20/x
  3. Step 3: Cross multiply
    353,267.80x = 529,124.10 × 247,514.20
  4. Step 4: Simplify right side
    353,267.80x = 130,965,728,312.22
  5. Step 5: Solve for x
    x = 130,965,728,312.22/353,267.80
  6. Step 6: Final answer
    x = 370,726.48

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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.