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Finding the Fourth Proportional to 655,012.72, 982,518.92 and 181,698.08

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Solution

The fourth proportional to 655,012.72, 982,518.92 and 181,698.08 is: 272,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,012.72 : 982,518.92 = 181,698.08 : x
  2. Step 2: Convert to fraction form
    655,012.72/982,518.92 = 181,698.08/x
  3. Step 3: Cross multiply
    655,012.72x = 982,518.92 × 181,698.08
  4. Step 4: Simplify right side
    655,012.72x = 178,521,801,327.67
  5. Step 5: Solve for x
    x = 178,521,801,327.67/655,012.72
  6. Step 6: Final answer
    x = 272,547.08

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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.