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Finding the Fourth Proportional to 358,315.34, 537,455.24 and 133,658.26

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Solution

The fourth proportional to 358,315.34, 537,455.24 and 133,658.26 is: 200,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,315.34 : 537,455.24 = 133,658.26 : x
  2. Step 2: Convert to fraction form
    358,315.34/537,455.24 = 133,658.26/x
  3. Step 3: Cross multiply
    358,315.34x = 537,455.24 × 133,658.26
  4. Step 4: Simplify right side
    358,315.34x = 71,835,332,206.28
  5. Step 5: Solve for x
    x = 71,835,332,206.28/358,315.34
  6. Step 6: Final answer
    x = 200,480.76

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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.