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Finding the Fourth Proportional to 291,704.76, 402,550.20 and 162,641.70

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Solution

The fourth proportional to 291,704.76, 402,550.20 and 162,641.70 is: 224,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,704.76 : 402,550.20 = 162,641.70 : x
  2. Step 2: Convert to fraction form
    291,704.76/402,550.20 = 162,641.70/x
  3. Step 3: Cross multiply
    291,704.76x = 402,550.20 × 162,641.70
  4. Step 4: Simplify right side
    291,704.76x = 65,471,448,863.34
  5. Step 5: Solve for x
    x = 65,471,448,863.34/291,704.76
  6. Step 6: Final answer
    x = 224,444.23

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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.