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Finding the Fourth Proportional to 655,070.40, 982,495.68 and 181,803.84

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Solution

The fourth proportional to 655,070.40, 982,495.68 and 181,803.84 is: 272,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,070.40 : 982,495.68 = 181,803.84 : x
  2. Step 2: Convert to fraction form
    655,070.40/982,495.68 = 181,803.84/x
  3. Step 3: Cross multiply
    655,070.40x = 982,495.68 × 181,803.84
  4. Step 4: Simplify right side
    655,070.40x = 178,621,487,407.41
  5. Step 5: Solve for x
    x = 178,621,487,407.41/655,070.40
  6. Step 6: Final answer
    x = 272,675.25

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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.