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Finding the Fourth Proportional to 482,955.60, 666,486.12 and 268,109.52

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Solution

The fourth proportional to 482,955.60, 666,486.12 and 268,109.52 is: 369,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,955.60 : 666,486.12 = 268,109.52 : x
  2. Step 2: Convert to fraction form
    482,955.60/666,486.12 = 268,109.52/x
  3. Step 3: Cross multiply
    482,955.60x = 666,486.12 × 268,109.52
  4. Step 4: Simplify right side
    482,955.60x = 178,691,273,719.86
  5. Step 5: Solve for x
    x = 178,691,273,719.86/482,955.60
  6. Step 6: Final answer
    x = 369,995.24

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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.