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Finding the Fourth Proportional to 283,228.52, 390,809.62 and 162,347.56

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Solution

The fourth proportional to 283,228.52, 390,809.62 and 162,347.56 is: 224,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,228.52 : 390,809.62 = 162,347.56 : x
  2. Step 2: Convert to fraction form
    283,228.52/390,809.62 = 162,347.56/x
  3. Step 3: Cross multiply
    283,228.52x = 390,809.62 × 162,347.56
  4. Step 4: Simplify right side
    283,228.52x = 63,446,988,231.53
  5. Step 5: Solve for x
    x = 63,446,988,231.53/283,228.52
  6. Step 6: Final answer
    x = 224,013.42

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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.