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Finding the Fourth Proportional to 403,762.70, 605,595.45 and 167,080.70

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Solution

The fourth proportional to 403,762.70, 605,595.45 and 167,080.70 is: 250,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,762.70 : 605,595.45 = 167,080.70 : x
  2. Step 2: Convert to fraction form
    403,762.70/605,595.45 = 167,080.70/x
  3. Step 3: Cross multiply
    403,762.70x = 605,595.45 × 167,080.70
  4. Step 4: Simplify right side
    403,762.70x = 101,183,311,702.82
  5. Step 5: Solve for x
    x = 101,183,311,702.82/403,762.70
  6. Step 6: Final answer
    x = 250,600.94

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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.