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Finding the Fourth Proportional to 600,369.29, 828,516.15 and 328,431.35

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Solution

The fourth proportional to 600,369.29, 828,516.15 and 328,431.35 is: 453,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,369.29 : 828,516.15 = 328,431.35 : x
  2. Step 2: Convert to fraction form
    600,369.29/828,516.15 = 328,431.35/x
  3. Step 3: Cross multiply
    600,369.29x = 828,516.15 × 328,431.35
  4. Step 4: Simplify right side
    600,369.29x = 272,110,673,498.72
  5. Step 5: Solve for x
    x = 272,110,673,498.72/600,369.29
  6. Step 6: Final answer
    x = 453,238.83

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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.