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Finding the Fourth Proportional to 340,404.80, 510,370.68 and 150,761.84

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Solution

The fourth proportional to 340,404.80, 510,370.68 and 150,761.84 is: 226,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,404.80 : 510,370.68 = 150,761.84 : x
  2. Step 2: Convert to fraction form
    340,404.80/510,370.68 = 150,761.84/x
  3. Step 3: Cross multiply
    340,404.80x = 510,370.68 × 150,761.84
  4. Step 4: Simplify right side
    340,404.80x = 76,944,422,798.85
  5. Step 5: Solve for x
    x = 76,944,422,798.85/340,404.80
  6. Step 6: Final answer
    x = 226,038.01

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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.