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Finding the Fourth Proportional to 568,237, 852,357.12 and 147,516.52

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Solution

The fourth proportional to 568,237, 852,357.12 and 147,516.52 is: 221,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,237 : 852,357.12 = 147,516.52 : x
  2. Step 2: Convert to fraction form
    568,237/852,357.12 = 147,516.52/x
  3. Step 3: Cross multiply
    568,237x = 852,357.12 × 147,516.52
  4. Step 4: Simplify right side
    568,237x = 125,736,756,139.62
  5. Step 5: Solve for x
    x = 125,736,756,139.62/568,237
  6. Step 6: Final answer
    x = 221,275.20

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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.