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Finding the Fourth Proportional to 573,275.88, 790,376.94 and 368,961.48

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Solution

The fourth proportional to 573,275.88, 790,376.94 and 368,961.48 is: 508,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,275.88 : 790,376.94 = 368,961.48 : x
  2. Step 2: Convert to fraction form
    573,275.88/790,376.94 = 368,961.48/x
  3. Step 3: Cross multiply
    573,275.88x = 790,376.94 × 368,961.48
  4. Step 4: Simplify right side
    573,275.88x = 291,618,645,540.27
  5. Step 5: Solve for x
    x = 291,618,645,540.27/573,275.88
  6. Step 6: Final answer
    x = 508,688.15

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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.