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Finding the Fourth Proportional to 358,235.52, 494,364.96 and 197,087.12

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Solution

The fourth proportional to 358,235.52, 494,364.96 and 197,087.12 is: 271,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,235.52 : 494,364.96 = 197,087.12 : x
  2. Step 2: Convert to fraction form
    358,235.52/494,364.96 = 197,087.12/x
  3. Step 3: Cross multiply
    358,235.52x = 494,364.96 × 197,087.12
  4. Step 4: Simplify right side
    358,235.52x = 97,432,966,195.32
  5. Step 5: Solve for x
    x = 97,432,966,195.32/358,235.52
  6. Step 6: Final answer
    x = 271,980.19

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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.