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Finding the Fourth Proportional to 253,073.96, 349,295.46 and 210,591.08

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Solution

The fourth proportional to 253,073.96, 349,295.46 and 210,591.08 is: 290,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,073.96 : 349,295.46 = 210,591.08 : x
  2. Step 2: Convert to fraction form
    253,073.96/349,295.46 = 210,591.08/x
  3. Step 3: Cross multiply
    253,073.96x = 349,295.46 × 210,591.08
  4. Step 4: Simplify right side
    253,073.96x = 73,558,508,160.50
  5. Step 5: Solve for x
    x = 73,558,508,160.50/253,073.96
  6. Step 6: Final answer
    x = 290,660.12

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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.