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Finding the Fourth Proportional to 303,658.35, 455,098.73 and 233,188.35

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Solution

The fourth proportional to 303,658.35, 455,098.73 and 233,188.35 is: 349,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,658.35 : 455,098.73 = 233,188.35 : x
  2. Step 2: Convert to fraction form
    303,658.35/455,098.73 = 233,188.35/x
  3. Step 3: Cross multiply
    303,658.35x = 455,098.73 × 233,188.35
  4. Step 4: Simplify right side
    303,658.35x = 106,123,720,769.85
  5. Step 5: Solve for x
    x = 106,123,720,769.85/303,658.35
  6. Step 6: Final answer
    x = 349,483.95

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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.