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Finding the Fourth Proportional to 290,277.48, 400,581.34 and 162,953.04

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Solution

The fourth proportional to 290,277.48, 400,581.34 and 162,953.04 is: 224,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,277.48 : 400,581.34 = 162,953.04 : x
  2. Step 2: Convert to fraction form
    290,277.48/400,581.34 = 162,953.04/x
  3. Step 3: Cross multiply
    290,277.48x = 400,581.34 × 162,953.04
  4. Step 4: Simplify right side
    290,277.48x = 65,275,947,120.27
  5. Step 5: Solve for x
    x = 65,275,947,120.27/290,277.48
  6. Step 6: Final answer
    x = 224,874.31

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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.