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Finding the Fourth Proportional to 571,592.75, 788,833.38 and 316,943.94

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Solution

The fourth proportional to 571,592.75, 788,833.38 and 316,943.94 is: 437,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,592.75 : 788,833.38 = 316,943.94 : x
  2. Step 2: Convert to fraction form
    571,592.75/788,833.38 = 316,943.94/x
  3. Step 3: Cross multiply
    571,592.75x = 788,833.38 × 316,943.94
  4. Step 4: Simplify right side
    571,592.75x = 250,015,959,170.19
  5. Step 5: Solve for x
    x = 250,015,959,170.19/571,592.75
  6. Step 6: Final answer
    x = 437,402.26

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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.