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Finding the Fourth Proportional to 358,264.52, 494,404.98 and 197,116.04

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Solution

The fourth proportional to 358,264.52, 494,404.98 and 197,116.04 is: 272,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,264.52 : 494,404.98 = 197,116.04 : x
  2. Step 2: Convert to fraction form
    358,264.52/494,404.98 = 197,116.04/x
  3. Step 3: Cross multiply
    358,264.52x = 494,404.98 × 197,116.04
  4. Step 4: Simplify right side
    358,264.52x = 97,455,151,813.88
  5. Step 5: Solve for x
    x = 97,455,151,813.88/358,264.52
  6. Step 6: Final answer
    x = 272,020.10

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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.