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Finding the Fourth Proportional to 331,533.14, 497,303.17 and 265,393.71

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Solution

The fourth proportional to 331,533.14, 497,303.17 and 265,393.71 is: 398,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,533.14 : 497,303.17 = 265,393.71 : x
  2. Step 2: Convert to fraction form
    331,533.14/497,303.17 = 265,393.71/x
  3. Step 3: Cross multiply
    331,533.14x = 497,303.17 × 265,393.71
  4. Step 4: Simplify right side
    331,533.14x = 131,981,132,617.58
  5. Step 5: Solve for x
    x = 131,981,132,617.58/331,533.14
  6. Step 6: Final answer
    x = 398,093.34

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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.