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Finding the Fourth Proportional to 443,484.92, 611,290.22 and 346,519.24

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Solution

The fourth proportional to 443,484.92, 611,290.22 and 346,519.24 is: 477,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,484.92 : 611,290.22 = 346,519.24 : x
  2. Step 2: Convert to fraction form
    443,484.92/611,290.22 = 346,519.24/x
  3. Step 3: Cross multiply
    443,484.92x = 611,290.22 × 346,519.24
  4. Step 4: Simplify right side
    443,484.92x = 211,823,822,453.83
  5. Step 5: Solve for x
    x = 211,823,822,453.83/443,484.92
  6. Step 6: Final answer
    x = 477,634.78

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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.