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Finding the Fourth Proportional to 545,095.44, 817,717.97 and 185,169.66

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Solution

The fourth proportional to 545,095.44, 817,717.97 and 185,169.66 is: 277,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,095.44 : 817,717.97 = 185,169.66 : x
  2. Step 2: Convert to fraction form
    545,095.44/817,717.97 = 185,169.66/x
  3. Step 3: Cross multiply
    545,095.44x = 817,717.97 × 185,169.66
  4. Step 4: Simplify right side
    545,095.44x = 151,416,559,435.36
  5. Step 5: Solve for x
    x = 151,416,559,435.36/545,095.44
  6. Step 6: Final answer
    x = 277,779.90

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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.