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Finding the Fourth Proportional to 286,523.61, 429,799.69 and 109,044.37

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Solution

The fourth proportional to 286,523.61, 429,799.69 and 109,044.37 is: 163,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,523.61 : 429,799.69 = 109,044.37 : x
  2. Step 2: Convert to fraction form
    286,523.61/429,799.69 = 109,044.37/x
  3. Step 3: Cross multiply
    286,523.61x = 429,799.69 × 109,044.37
  4. Step 4: Simplify right side
    286,523.61x = 46,867,237,095.80
  5. Step 5: Solve for x
    x = 46,867,237,095.80/286,523.61
  6. Step 6: Final answer
    x = 163,571.99

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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.