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Finding the Fourth Proportional to 363,498.70, 545,334.45 and 153,028.30

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Solution

The fourth proportional to 363,498.70, 545,334.45 and 153,028.30 is: 229,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,498.70 : 545,334.45 = 153,028.30 : x
  2. Step 2: Convert to fraction form
    363,498.70/545,334.45 = 153,028.30/x
  3. Step 3: Cross multiply
    363,498.70x = 545,334.45 × 153,028.30
  4. Step 4: Simplify right side
    363,498.70x = 83,451,603,814.94
  5. Step 5: Solve for x
    x = 83,451,603,814.94/363,498.70
  6. Step 6: Final answer
    x = 229,578.82

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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.