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Finding the Fourth Proportional to 358,310.90, 494,672.98 and 237,615.12

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Solution

The fourth proportional to 358,310.90, 494,672.98 and 237,615.12 is: 328,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,310.90 : 494,672.98 = 237,615.12 : x
  2. Step 2: Convert to fraction form
    358,310.90/494,672.98 = 237,615.12/x
  3. Step 3: Cross multiply
    358,310.90x = 494,672.98 × 237,615.12
  4. Step 4: Simplify right side
    358,310.90x = 117,541,781,334.18
  5. Step 5: Solve for x
    x = 117,541,781,334.18/358,310.90
  6. Step 6: Final answer
    x = 328,044.12

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1.5x scale

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.