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Finding the Fourth Proportional to 358,611.59, 494,887.23 and 197,472.35

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Solution

The fourth proportional to 358,611.59, 494,887.23 and 197,472.35 is: 272,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,611.59 : 494,887.23 = 197,472.35 : x
  2. Step 2: Convert to fraction form
    358,611.59/494,887.23 = 197,472.35/x
  3. Step 3: Cross multiply
    358,611.59x = 494,887.23 × 197,472.35
  4. Step 4: Simplify right side
    358,611.59x = 97,726,541,818.65
  5. Step 5: Solve for x
    x = 97,726,541,818.65/358,611.59
  6. Step 6: Final answer
    x = 272,513.62

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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.