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Finding the Fourth Proportional to 508,514.50, 701,750.01 and 282,196.42

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Solution

The fourth proportional to 508,514.50, 701,750.01 and 282,196.42 is: 389,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,514.50 : 701,750.01 = 282,196.42 : x
  2. Step 2: Convert to fraction form
    508,514.50/701,750.01 = 282,196.42/x
  3. Step 3: Cross multiply
    508,514.50x = 701,750.01 × 282,196.42
  4. Step 4: Simplify right side
    508,514.50x = 198,031,340,556.96
  5. Step 5: Solve for x
    x = 198,031,340,556.96/508,514.50
  6. Step 6: Final answer
    x = 389,431.06

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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.