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Finding the Fourth Proportional to 655,008.40, 982,512.60 and 181,698.40

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Solution

The fourth proportional to 655,008.40, 982,512.60 and 181,698.40 is: 272,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,008.40 : 982,512.60 = 181,698.40 : x
  2. Step 2: Convert to fraction form
    655,008.40/982,512.60 = 181,698.40/x
  3. Step 3: Cross multiply
    655,008.40x = 982,512.60 × 181,698.40
  4. Step 4: Simplify right side
    655,008.40x = 178,520,967,399.84
  5. Step 5: Solve for x
    x = 178,520,967,399.84/655,008.40
  6. Step 6: Final answer
    x = 272,547.60

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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.