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Finding the Fourth Proportional to 358,672.86, 495,304.47 and 224,770.14

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Solution

The fourth proportional to 358,672.86, 495,304.47 and 224,770.14 is: 310,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,672.86 : 495,304.47 = 224,770.14 : x
  2. Step 2: Convert to fraction form
    358,672.86/495,304.47 = 224,770.14/x
  3. Step 3: Cross multiply
    358,672.86x = 495,304.47 × 224,770.14
  4. Step 4: Simplify right side
    358,672.86x = 111,329,655,064.53
  5. Step 5: Solve for x
    x = 111,329,655,064.53/358,672.86
  6. Step 6: Final answer
    x = 310,393.31

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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.