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Finding the Fourth Proportional to 291,590.94, 402,399.55 and 162,525.84

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Solution

The fourth proportional to 291,590.94, 402,399.55 and 162,525.84 is: 224,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,590.94 : 402,399.55 = 162,525.84 : x
  2. Step 2: Convert to fraction form
    291,590.94/402,399.55 = 162,525.84/x
  3. Step 3: Cross multiply
    291,590.94x = 402,399.55 × 162,525.84
  4. Step 4: Simplify right side
    291,590.94x = 65,400,324,922.82
  5. Step 5: Solve for x
    x = 65,400,324,922.82/291,590.94
  6. Step 6: Final answer
    x = 224,287.92

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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.