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Finding the Fourth Proportional to 332,082.24, 495,758.64 and 320,418.24

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Solution

The fourth proportional to 332,082.24, 495,758.64 and 320,418.24 is: 478,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,082.24 : 495,758.64 = 320,418.24 : x
  2. Step 2: Convert to fraction form
    332,082.24/495,758.64 = 320,418.24/x
  3. Step 3: Cross multiply
    332,082.24x = 495,758.64 × 320,418.24
  4. Step 4: Simplify right side
    332,082.24x = 158,850,110,893.59
  5. Step 5: Solve for x
    x = 158,850,110,893.59/332,082.24
  6. Step 6: Final answer
    x = 478,345.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.