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Finding the Fourth Proportional to 283,232.48, 390,826.36 and 168,514.48

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Solution

The fourth proportional to 283,232.48, 390,826.36 and 168,514.48 is: 232,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,232.48 : 390,826.36 = 168,514.48 : x
  2. Step 2: Convert to fraction form
    283,232.48/390,826.36 = 168,514.48/x
  3. Step 3: Cross multiply
    283,232.48x = 390,826.36 × 168,514.48
  4. Step 4: Simplify right side
    283,232.48x = 65,859,900,825.69
  5. Step 5: Solve for x
    x = 65,859,900,825.69/283,232.48
  6. Step 6: Final answer
    x = 232,529.48

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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.