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Finding the Fourth Proportional to 533,658.28, 736,488.34 and 304,221

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Solution

The fourth proportional to 533,658.28, 736,488.34 and 304,221 is: 419,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,658.28 : 736,488.34 = 304,221 : x
  2. Step 2: Convert to fraction form
    533,658.28/736,488.34 = 304,221/x
  3. Step 3: Cross multiply
    533,658.28x = 736,488.34 × 304,221
  4. Step 4: Simplify right side
    533,658.28x = 224,055,219,283.14
  5. Step 5: Solve for x
    x = 224,055,219,283.14/533,658.28
  6. Step 6: Final answer
    x = 419,847.73

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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.