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Finding the Fourth Proportional to 600,369.66, 828,516.67 and 328,431.72

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Solution

The fourth proportional to 600,369.66, 828,516.67 and 328,431.72 is: 453,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,369.66 : 828,516.67 = 328,431.72 : x
  2. Step 2: Convert to fraction form
    600,369.66/828,516.67 = 328,431.72/x
  3. Step 3: Cross multiply
    600,369.66x = 828,516.67 × 328,431.72
  4. Step 4: Simplify right side
    600,369.66x = 272,111,154,976.77
  5. Step 5: Solve for x
    x = 272,111,154,976.77/600,369.66
  6. Step 6: Final answer
    x = 453,239.35

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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.