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Finding the Fourth Proportional to 358,366.42, 494,534.82 and 197,221.24

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Solution

The fourth proportional to 358,366.42, 494,534.82 and 197,221.24 is: 272,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,366.42 : 494,534.82 = 197,221.24 : x
  2. Step 2: Convert to fraction form
    358,366.42/494,534.82 = 197,221.24/x
  3. Step 3: Cross multiply
    358,366.42x = 494,534.82 × 197,221.24
  4. Step 4: Simplify right side
    358,366.42x = 97,532,770,423.58
  5. Step 5: Solve for x
    x = 97,532,770,423.58/358,366.42
  6. Step 6: Final answer
    x = 272,159.35

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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.