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Finding the Fourth Proportional to 358,666.52, 494,956.07 and 197,518.13

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Solution

The fourth proportional to 358,666.52, 494,956.07 and 197,518.13 is: 272,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,666.52 : 494,956.07 = 197,518.13 : x
  2. Step 2: Convert to fraction form
    358,666.52/494,956.07 = 197,518.13/x
  3. Step 3: Cross multiply
    358,666.52x = 494,956.07 × 197,518.13
  4. Step 4: Simplify right side
    358,666.52x = 97,762,796,512.96
  5. Step 5: Solve for x
    x = 97,762,796,512.96/358,666.52
  6. Step 6: Final answer
    x = 272,572.97

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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.