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Finding the Fourth Proportional to 283,775.71, 391,610.35 and 162,924.79

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Solution

The fourth proportional to 283,775.71, 391,610.35 and 162,924.79 is: 224,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,775.71 : 391,610.35 = 162,924.79 : x
  2. Step 2: Convert to fraction form
    283,775.71/391,610.35 = 162,924.79/x
  3. Step 3: Cross multiply
    283,775.71x = 391,610.35 × 162,924.79
  4. Step 4: Simplify right side
    283,775.71x = 63,803,034,035.58
  5. Step 5: Solve for x
    x = 63,803,034,035.58/283,775.71
  6. Step 6: Final answer
    x = 224,836.14

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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.