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Finding the Fourth Proportional to 517,699.64, 776,775.58 and 180,982.04

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Solution

The fourth proportional to 517,699.64, 776,775.58 and 180,982.04 is: 271,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,699.64 : 776,775.58 = 180,982.04 : x
  2. Step 2: Convert to fraction form
    517,699.64/776,775.58 = 180,982.04/x
  3. Step 3: Cross multiply
    517,699.64x = 776,775.58 × 180,982.04
  4. Step 4: Simplify right side
    517,699.64x = 140,582,429,090.58
  5. Step 5: Solve for x
    x = 140,582,429,090.58/517,699.64
  6. Step 6: Final answer
    x = 271,552.11

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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.