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Finding the Fourth Proportional to 289,887.53, 400,048.89 and 175,150.22

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Solution

The fourth proportional to 289,887.53, 400,048.89 and 175,150.22 is: 241,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,887.53 : 400,048.89 = 175,150.22 : x
  2. Step 2: Convert to fraction form
    289,887.53/400,048.89 = 175,150.22/x
  3. Step 3: Cross multiply
    289,887.53x = 400,048.89 × 175,150.22
  4. Step 4: Simplify right side
    289,887.53x = 70,068,651,094.26
  5. Step 5: Solve for x
    x = 70,068,651,094.26/289,887.53
  6. Step 6: Final answer
    x = 241,709.78

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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.