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Finding the Fourth Proportional to 289,910.01, 400,119.55 and 176,798.37

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Solution

The fourth proportional to 289,910.01, 400,119.55 and 176,798.37 is: 244,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,910.01 : 400,119.55 = 176,798.37 : x
  2. Step 2: Convert to fraction form
    289,910.01/400,119.55 = 176,798.37/x
  3. Step 3: Cross multiply
    289,910.01x = 400,119.55 × 176,798.37
  4. Step 4: Simplify right side
    289,910.01x = 70,740,483,361.14
  5. Step 5: Solve for x
    x = 70,740,483,361.14/289,910.01
  6. Step 6: Final answer
    x = 244,008.42

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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.