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Finding the Fourth Proportional to 368,002.72, 507,933.16 and 224,883.28

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Solution

The fourth proportional to 368,002.72, 507,933.16 and 224,883.28 is: 310,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,002.72 : 507,933.16 = 224,883.28 : x
  2. Step 2: Convert to fraction form
    368,002.72/507,933.16 = 224,883.28/x
  3. Step 3: Cross multiply
    368,002.72x = 507,933.16 × 224,883.28
  4. Step 4: Simplify right side
    368,002.72x = 114,225,675,041.57
  5. Step 5: Solve for x
    x = 114,225,675,041.57/368,002.72
  6. Step 6: Final answer
    x = 310,393.56

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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.