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Finding the Fourth Proportional to 358,755.18, 495,063.86 and 197,606.76

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Solution

The fourth proportional to 358,755.18, 495,063.86 and 197,606.76 is: 272,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,755.18 : 495,063.86 = 197,606.76 : x
  2. Step 2: Convert to fraction form
    358,755.18/495,063.86 = 197,606.76/x
  3. Step 3: Cross multiply
    358,755.18x = 495,063.86 × 197,606.76
  4. Step 4: Simplify right side
    358,755.18x = 97,827,965,367.69
  5. Step 5: Solve for x
    x = 97,827,965,367.69/358,755.18
  6. Step 6: Final answer
    x = 272,687.26

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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.