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Finding the Fourth Proportional to 658,473.66, 987,710.94 and 185,159.07

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Solution

The fourth proportional to 658,473.66, 987,710.94 and 185,159.07 is: 277,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,473.66 : 987,710.94 = 185,159.07 : x
  2. Step 2: Convert to fraction form
    658,473.66/987,710.94 = 185,159.07/x
  3. Step 3: Cross multiply
    658,473.66x = 987,710.94 × 185,159.07
  4. Step 4: Simplify right side
    658,473.66x = 182,883,639,079.23
  5. Step 5: Solve for x
    x = 182,883,639,079.23/658,473.66
  6. Step 6: Final answer
    x = 277,738.73

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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.