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Finding the Fourth Proportional to 600,139.99, 828,166.71 and 342,072.91

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Solution

The fourth proportional to 600,139.99, 828,166.71 and 342,072.91 is: 472,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,139.99 : 828,166.71 = 342,072.91 : x
  2. Step 2: Convert to fraction form
    600,139.99/828,166.71 = 342,072.91/x
  3. Step 3: Cross multiply
    600,139.99x = 828,166.71 × 342,072.91
  4. Step 4: Simplify right side
    600,139.99x = 283,293,396,454.83
  5. Step 5: Solve for x
    x = 283,293,396,454.83/600,139.99
  6. Step 6: Final answer
    x = 472,045.52

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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.