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Finding the Fourth Proportional to 573,730.40, 791,774.70 and 331,966.20

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Solution

The fourth proportional to 573,730.40, 791,774.70 and 331,966.20 is: 458,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,730.40 : 791,774.70 = 331,966.20 : x
  2. Step 2: Convert to fraction form
    573,730.40/791,774.70 = 331,966.20/x
  3. Step 3: Cross multiply
    573,730.40x = 791,774.70 × 331,966.20
  4. Step 4: Simplify right side
    573,730.40x = 262,842,438,415.14
  5. Step 5: Solve for x
    x = 262,842,438,415.14/573,730.40
  6. Step 6: Final answer
    x = 458,128.83

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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.