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Finding the Fourth Proportional to 704,851.25, 972,695.66 and 382,561.25

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Solution

The fourth proportional to 704,851.25, 972,695.66 and 382,561.25 is: 527,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,851.25 : 972,695.66 = 382,561.25 : x
  2. Step 2: Convert to fraction form
    704,851.25/972,695.66 = 382,561.25/x
  3. Step 3: Cross multiply
    704,851.25x = 972,695.66 × 382,561.25
  4. Step 4: Simplify right side
    704,851.25x = 372,115,670,947.32
  5. Step 5: Solve for x
    x = 372,115,670,947.32/704,851.25
  6. Step 6: Final answer
    x = 527,935.04

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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.