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Finding the Fourth Proportional to 659,548.16, 989,360.51 and 186,193.88

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Solution

The fourth proportional to 659,548.16, 989,360.51 and 186,193.88 is: 279,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,548.16 : 989,360.51 = 186,193.88 : x
  2. Step 2: Convert to fraction form
    659,548.16/989,360.51 = 186,193.88/x
  3. Step 3: Cross multiply
    659,548.16x = 989,360.51 × 186,193.88
  4. Step 4: Simplify right side
    659,548.16x = 184,212,866,197.91
  5. Step 5: Solve for x
    x = 184,212,866,197.91/659,548.16
  6. Step 6: Final answer
    x = 279,301.62

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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.