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Finding the Fourth Proportional to 346,250.97, 519,428.30 and 109,514.97

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Solution

The fourth proportional to 346,250.97, 519,428.30 and 109,514.97 is: 164,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,250.97 : 519,428.30 = 109,514.97 : x
  2. Step 2: Convert to fraction form
    346,250.97/519,428.30 = 109,514.97/x
  3. Step 3: Cross multiply
    346,250.97x = 519,428.30 × 109,514.97
  4. Step 4: Simplify right side
    346,250.97x = 56,885,174,144.08
  5. Step 5: Solve for x
    x = 56,885,174,144.08/346,250.97
  6. Step 6: Final answer
    x = 164,288.85

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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.