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Finding the Fourth Proportional to 375,480.08, 518,162.44 and 224,612.72

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Solution

The fourth proportional to 375,480.08, 518,162.44 and 224,612.72 is: 309,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,480.08 : 518,162.44 = 224,612.72 : x
  2. Step 2: Convert to fraction form
    375,480.08/518,162.44 = 224,612.72/x
  3. Step 3: Cross multiply
    375,480.08x = 518,162.44 × 224,612.72
  4. Step 4: Simplify right side
    375,480.08x = 116,385,875,050.24
  5. Step 5: Solve for x
    x = 116,385,875,050.24/375,480.08
  6. Step 6: Final answer
    x = 309,965.51

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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.