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Finding the Fourth Proportional to 358,755.48, 495,085.98 and 197,611.24

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Solution

The fourth proportional to 358,755.48, 495,085.98 and 197,611.24 is: 272,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,755.48 : 495,085.98 = 197,611.24 : x
  2. Step 2: Convert to fraction form
    358,755.48/495,085.98 = 197,611.24/x
  3. Step 3: Cross multiply
    358,755.48x = 495,085.98 × 197,611.24
  4. Step 4: Simplify right side
    358,755.48x = 97,834,554,414.42
  5. Step 5: Solve for x
    x = 97,834,554,414.42/358,755.48
  6. Step 6: Final answer
    x = 272,705.39

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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.