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Finding the Fourth Proportional to 361,234.61, 498,314.76 and 223,369.46

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Solution

The fourth proportional to 361,234.61, 498,314.76 and 223,369.46 is: 308,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,234.61 : 498,314.76 = 223,369.46 : x
  2. Step 2: Convert to fraction form
    361,234.61/498,314.76 = 223,369.46/x
  3. Step 3: Cross multiply
    361,234.61x = 498,314.76 × 223,369.46
  4. Step 4: Simplify right side
    361,234.61x = 111,308,298,851.23
  5. Step 5: Solve for x
    x = 111,308,298,851.23/361,234.61
  6. Step 6: Final answer
    x = 308,132.99

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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.