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Finding the Fourth Proportional to 545,650.29, 818,523.36 and 166,656.51

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Solution

The fourth proportional to 545,650.29, 818,523.36 and 166,656.51 is: 249,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,650.29 : 818,523.36 = 166,656.51 : x
  2. Step 2: Convert to fraction form
    545,650.29/818,523.36 = 166,656.51/x
  3. Step 3: Cross multiply
    545,650.29x = 818,523.36 × 166,656.51
  4. Step 4: Simplify right side
    545,650.29x = 136,412,246,531.07
  5. Step 5: Solve for x
    x = 136,412,246,531.07/545,650.29
  6. Step 6: Final answer
    x = 249,999.40

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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.