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Finding the Fourth Proportional to 603,934.69, 833,445.82 and 328,311.09

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Solution

The fourth proportional to 603,934.69, 833,445.82 and 328,311.09 is: 453,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,934.69 : 833,445.82 = 328,311.09 : x
  2. Step 2: Convert to fraction form
    603,934.69/833,445.82 = 328,311.09/x
  3. Step 3: Cross multiply
    603,934.69x = 833,445.82 × 328,311.09
  4. Step 4: Simplify right side
    603,934.69x = 273,629,502,905.11
  5. Step 5: Solve for x
    x = 273,629,502,905.11/603,934.69
  6. Step 6: Final answer
    x = 453,077.97

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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.