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Finding the Fourth Proportional to 308,520.63, 462,690.57 and 116,256.35

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Solution

The fourth proportional to 308,520.63, 462,690.57 and 116,256.35 is: 174,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,520.63 : 462,690.57 = 116,256.35 : x
  2. Step 2: Convert to fraction form
    308,520.63/462,690.57 = 116,256.35/x
  3. Step 3: Cross multiply
    308,520.63x = 462,690.57 × 116,256.35
  4. Step 4: Simplify right side
    308,520.63x = 53,790,714,534.17
  5. Step 5: Solve for x
    x = 53,790,714,534.17/308,520.63
  6. Step 6: Final answer
    x = 174,350.46

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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.