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Finding the Fourth Proportional to 571,005.76, 856,514.70 and 233,959.90

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Solution

The fourth proportional to 571,005.76, 856,514.70 and 233,959.90 is: 350,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,005.76 : 856,514.70 = 233,959.90 : x
  2. Step 2: Convert to fraction form
    571,005.76/856,514.70 = 233,959.90/x
  3. Step 3: Cross multiply
    571,005.76x = 856,514.70 × 233,959.90
  4. Step 4: Simplify right side
    571,005.76x = 200,390,093,560.53
  5. Step 5: Solve for x
    x = 200,390,093,560.53/571,005.76
  6. Step 6: Final answer
    x = 350,942.33

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1.5x scale

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.