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Finding the Fourth Proportional to 320,073.81, 441,706.47 and 176,837.14

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Solution

The fourth proportional to 320,073.81, 441,706.47 and 176,837.14 is: 244,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,073.81 : 441,706.47 = 176,837.14 : x
  2. Step 2: Convert to fraction form
    320,073.81/441,706.47 = 176,837.14/x
  3. Step 3: Cross multiply
    320,073.81x = 441,706.47 × 176,837.14
  4. Step 4: Simplify right side
    320,073.81x = 78,110,108,874.30
  5. Step 5: Solve for x
    x = 78,110,108,874.30/320,073.81
  6. Step 6: Final answer
    x = 244,037.80

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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.