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Finding the Fourth Proportional to 264,013.61, 396,019.62 and 228,368.91

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Solution

The fourth proportional to 264,013.61, 396,019.62 and 228,368.91 is: 342,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,013.61 : 396,019.62 = 228,368.91 : x
  2. Step 2: Convert to fraction form
    264,013.61/396,019.62 = 228,368.91/x
  3. Step 3: Cross multiply
    264,013.61x = 396,019.62 × 228,368.91
  4. Step 4: Simplify right side
    264,013.61x = 90,438,568,958.01
  5. Step 5: Solve for x
    x = 90,438,568,958.01/264,013.61
  6. Step 6: Final answer
    x = 342,552.68

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1.5x scale

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.