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Finding the Fourth Proportional to 581,021.76, 801,850.92 and 326,373.14

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Solution

The fourth proportional to 581,021.76, 801,850.92 and 326,373.14 is: 450,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,021.76 : 801,850.92 = 326,373.14 : x
  2. Step 2: Convert to fraction form
    581,021.76/801,850.92 = 326,373.14/x
  3. Step 3: Cross multiply
    581,021.76x = 801,850.92 × 326,373.14
  4. Step 4: Simplify right side
    581,021.76x = 261,702,602,572.29
  5. Step 5: Solve for x
    x = 261,702,602,572.29/581,021.76
  6. Step 6: Final answer
    x = 450,417.90

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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.