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Finding the Fourth Proportional to 358,851.22, 495,212.28 and 197,702.50

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Solution

The fourth proportional to 358,851.22, 495,212.28 and 197,702.50 is: 272,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,851.22 : 495,212.28 = 197,702.50 : x
  2. Step 2: Convert to fraction form
    358,851.22/495,212.28 = 197,702.50/x
  3. Step 3: Cross multiply
    358,851.22x = 495,212.28 × 197,702.50
  4. Step 4: Simplify right side
    358,851.22x = 97,904,705,786.70
  5. Step 5: Solve for x
    x = 97,904,705,786.70/358,851.22
  6. Step 6: Final answer
    x = 272,828.13

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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.