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Finding the Fourth Proportional to 306,658.32, 423,103.50 and 184,118.82

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Solution

The fourth proportional to 306,658.32, 423,103.50 and 184,118.82 is: 254,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,658.32 : 423,103.50 = 184,118.82 : x
  2. Step 2: Convert to fraction form
    306,658.32/423,103.50 = 184,118.82/x
  3. Step 3: Cross multiply
    306,658.32x = 423,103.50 × 184,118.82
  4. Step 4: Simplify right side
    306,658.32x = 77,901,317,157.87
  5. Step 5: Solve for x
    x = 77,901,317,157.87/306,658.32
  6. Step 6: Final answer
    x = 254,032.95

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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.