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Finding the Fourth Proportional to 659,693.94, 989,605.71 and 186,382.98

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Solution

The fourth proportional to 659,693.94, 989,605.71 and 186,382.98 is: 279,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,693.94 : 989,605.71 = 186,382.98 : x
  2. Step 2: Convert to fraction form
    659,693.94/989,605.71 = 186,382.98/x
  3. Step 3: Cross multiply
    659,693.94x = 989,605.71 × 186,382.98
  4. Step 4: Simplify right side
    659,693.94x = 184,445,661,254.82
  5. Step 5: Solve for x
    x = 184,445,661,254.82/659,693.94
  6. Step 6: Final answer
    x = 279,592.78

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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.