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Finding the Fourth Proportional to 332,468.74, 458,957.91 and 211,775.50

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Solution

The fourth proportional to 332,468.74, 458,957.91 and 211,775.50 is: 292,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,468.74 : 458,957.91 = 211,775.50 : x
  2. Step 2: Convert to fraction form
    332,468.74/458,957.91 = 211,775.50/x
  3. Step 3: Cross multiply
    332,468.74x = 458,957.91 × 211,775.50
  4. Step 4: Simplify right side
    332,468.74x = 97,196,040,869.21
  5. Step 5: Solve for x
    x = 97,196,040,869.21/332,468.74
  6. Step 6: Final answer
    x = 292,346.40

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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.