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Finding the Fourth Proportional to 323,155.63, 484,514.74 and 112,678.75

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Solution

The fourth proportional to 323,155.63, 484,514.74 and 112,678.75 is: 168,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,155.63 : 484,514.74 = 112,678.75 : x
  2. Step 2: Convert to fraction form
    323,155.63/484,514.74 = 112,678.75/x
  3. Step 3: Cross multiply
    323,155.63x = 484,514.74 × 112,678.75
  4. Step 4: Simplify right side
    323,155.63x = 54,594,515,259.78
  5. Step 5: Solve for x
    x = 54,594,515,259.78/323,155.63
  6. Step 6: Final answer
    x = 168,941.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.