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Finding the Fourth Proportional to 671,332.24, 1,007,001 and 271,980.56

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Solution

The fourth proportional to 671,332.24, 1,007,001 and 271,980.56 is: 407,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,332.24 : 1,007,001 = 271,980.56 : x
  2. Step 2: Convert to fraction form
    671,332.24/1,007,001 = 271,980.56/x
  3. Step 3: Cross multiply
    671,332.24x = 1,007,001 × 271,980.56
  4. Step 4: Simplify right side
    671,332.24x = 273,884,695,900.56
  5. Step 5: Solve for x
    x = 273,884,695,900.56/671,332.24
  6. Step 6: Final answer
    x = 407,971.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.