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Finding the Fourth Proportional to 367,931.36, 507,730.32 and 224,930.72

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Solution

The fourth proportional to 367,931.36, 507,730.32 and 224,930.72 is: 310,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,931.36 : 507,730.32 = 224,930.72 : x
  2. Step 2: Convert to fraction form
    367,931.36/507,730.32 = 224,930.72/x
  3. Step 3: Cross multiply
    367,931.36x = 507,730.32 × 224,930.72
  4. Step 4: Simplify right side
    367,931.36x = 114,204,146,443.43
  5. Step 5: Solve for x
    x = 114,204,146,443.43/367,931.36
  6. Step 6: Final answer
    x = 310,395.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.