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Finding the Fourth Proportional to 357,337.55, 535,502.39 and 197,485.47

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Solution

The fourth proportional to 357,337.55, 535,502.39 and 197,485.47 is: 295,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337.55 : 535,502.39 = 197,485.47 : x
  2. Step 2: Convert to fraction form
    357,337.55/535,502.39 = 197,485.47/x
  3. Step 3: Cross multiply
    357,337.55x = 535,502.39 × 197,485.47
  4. Step 4: Simplify right side
    357,337.55x = 105,753,940,187.85
  5. Step 5: Solve for x
    x = 105,753,940,187.85/357,337.55
  6. Step 6: Final answer
    x = 295,949.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.