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Finding the Fourth Proportional to 662,181.70, 993,281.55 and 188,867.02

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Solution

The fourth proportional to 662,181.70, 993,281.55 and 188,867.02 is: 283,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,181.70 : 993,281.55 = 188,867.02 : x
  2. Step 2: Convert to fraction form
    662,181.70/993,281.55 = 188,867.02/x
  3. Step 3: Cross multiply
    662,181.70x = 993,281.55 × 188,867.02
  4. Step 4: Simplify right side
    662,181.70x = 187,598,126,369.48
  5. Step 5: Solve for x
    x = 187,598,126,369.48/662,181.70
  6. Step 6: Final answer
    x = 283,303.10

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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.