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Finding the Fourth Proportional to 704,851.94, 972,685.67 and 382,553.75

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Solution

The fourth proportional to 704,851.94, 972,685.67 and 382,553.75 is: 527,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,851.94 : 972,685.67 = 382,553.75 : x
  2. Step 2: Convert to fraction form
    704,851.94/972,685.67 = 382,553.75/x
  3. Step 3: Cross multiply
    704,851.94x = 972,685.67 × 382,553.75
  4. Step 4: Simplify right side
    704,851.94x = 372,104,551,148.71
  5. Step 5: Solve for x
    x = 372,104,551,148.71/704,851.94
  6. Step 6: Final answer
    x = 527,918.74

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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.