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Finding the Fourth Proportional to 584,791.57, 876,695.28 and 285,117.90

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Solution

The fourth proportional to 584,791.57, 876,695.28 and 285,117.90 is: 427,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,791.57 : 876,695.28 = 285,117.90 : x
  2. Step 2: Convert to fraction form
    584,791.57/876,695.28 = 285,117.90/x
  3. Step 3: Cross multiply
    584,791.57x = 876,695.28 × 285,117.90
  4. Step 4: Simplify right side
    584,791.57x = 249,961,517,173.51
  5. Step 5: Solve for x
    x = 249,961,517,173.51/584,791.57
  6. Step 6: Final answer
    x = 427,436.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.