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Finding the Fourth Proportional to 367,574.40, 551,375.64 and 114,878.16

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Solution

The fourth proportional to 367,574.40, 551,375.64 and 114,878.16 is: 172,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,574.40 : 551,375.64 = 114,878.16 : x
  2. Step 2: Convert to fraction form
    367,574.40/551,375.64 = 114,878.16/x
  3. Step 3: Cross multiply
    367,574.40x = 551,375.64 × 114,878.16
  4. Step 4: Simplify right side
    367,574.40x = 63,341,018,992.02
  5. Step 5: Solve for x
    x = 63,341,018,992.02/367,574.40
  6. Step 6: Final answer
    x = 172,321.63

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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.