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Finding the Fourth Proportional to 358,966.84, 495,377.52 and 197,827.66

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Solution

The fourth proportional to 358,966.84, 495,377.52 and 197,827.66 is: 273,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,966.84 : 495,377.52 = 197,827.66 : x
  2. Step 2: Convert to fraction form
    358,966.84/495,377.52 = 197,827.66/x
  3. Step 3: Cross multiply
    358,966.84x = 495,377.52 × 197,827.66
  4. Step 4: Simplify right side
    358,966.84x = 97,999,375,598.20
  5. Step 5: Solve for x
    x = 97,999,375,598.20/358,966.84
  6. Step 6: Final answer
    x = 273,003.98

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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.