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Finding the Fourth Proportional to 606,611.50, 837,123.87 and 338,339.50

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Solution

The fourth proportional to 606,611.50, 837,123.87 and 338,339.50 is: 466,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,611.50 : 837,123.87 = 338,339.50 : x
  2. Step 2: Convert to fraction form
    606,611.50/837,123.87 = 338,339.50/x
  3. Step 3: Cross multiply
    606,611.50x = 837,123.87 × 338,339.50
  4. Step 4: Simplify right side
    606,611.50x = 283,232,071,613.87
  5. Step 5: Solve for x
    x = 283,232,071,613.87/606,611.50
  6. Step 6: Final answer
    x = 466,908.51

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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.