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Finding the Fourth Proportional to 573,091.40, 790,883.93 and 314,963.66

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Solution

The fourth proportional to 573,091.40, 790,883.93 and 314,963.66 is: 434,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,091.40 : 790,883.93 = 314,963.66 : x
  2. Step 2: Convert to fraction form
    573,091.40/790,883.93 = 314,963.66/x
  3. Step 3: Cross multiply
    573,091.40x = 790,883.93 × 314,963.66
  4. Step 4: Simplify right side
    573,091.40x = 249,099,691,698.75
  5. Step 5: Solve for x
    x = 249,099,691,698.75/573,091.40
  6. Step 6: Final answer
    x = 434,659.62

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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.