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Finding the Fourth Proportional to 445,716.78, 615,085.58 and 241,767.20

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Solution

The fourth proportional to 445,716.78, 615,085.58 and 241,767.20 is: 333,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,716.78 : 615,085.58 = 241,767.20 : x
  2. Step 2: Convert to fraction form
    445,716.78/615,085.58 = 241,767.20/x
  3. Step 3: Cross multiply
    445,716.78x = 615,085.58 × 241,767.20
  4. Step 4: Simplify right side
    445,716.78x = 148,707,514,152.71
  5. Step 5: Solve for x
    x = 148,707,514,152.71/445,716.78
  6. Step 6: Final answer
    x = 333,636.79

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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.