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Finding the Fourth Proportional to 659,503.59, 989,295.48 and 186,224.64

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Solution

The fourth proportional to 659,503.59, 989,295.48 and 186,224.64 is: 279,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,503.59 : 989,295.48 = 186,224.64 : x
  2. Step 2: Convert to fraction form
    659,503.59/989,295.48 = 186,224.64/x
  3. Step 3: Cross multiply
    659,503.59x = 989,295.48 × 186,224.64
  4. Step 4: Simplify right side
    659,503.59x = 184,231,194,616.63
  5. Step 5: Solve for x
    x = 184,231,194,616.63/659,503.59
  6. Step 6: Final answer
    x = 279,348.28

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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.