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Finding the Fourth Proportional to 610,807.90, 842,954.75 and 352,695.73

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Solution

The fourth proportional to 610,807.90, 842,954.75 and 352,695.73 is: 486,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,807.90 : 842,954.75 = 352,695.73 : x
  2. Step 2: Convert to fraction form
    610,807.90/842,954.75 = 352,695.73/x
  3. Step 3: Cross multiply
    610,807.90x = 842,954.75 × 352,695.73
  4. Step 4: Simplify right side
    610,807.90x = 297,306,534,929.97
  5. Step 5: Solve for x
    x = 297,306,534,929.97/610,807.90
  6. Step 6: Final answer
    x = 486,743.11

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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.