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Finding the Fourth Proportional to 521,456.04, 719,464.54 and 295,096.68

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Solution

The fourth proportional to 521,456.04, 719,464.54 and 295,096.68 is: 407,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,456.04 : 719,464.54 = 295,096.68 : x
  2. Step 2: Convert to fraction form
    521,456.04/719,464.54 = 295,096.68/x
  3. Step 3: Cross multiply
    521,456.04x = 719,464.54 × 295,096.68
  4. Step 4: Simplify right side
    521,456.04x = 212,311,597,131.73
  5. Step 5: Solve for x
    x = 212,311,597,131.73/521,456.04
  6. Step 6: Final answer
    x = 407,151.48

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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.