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Finding the Fourth Proportional to 622,106.40, 932,468.40 and 341,824.80

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Solution

The fourth proportional to 622,106.40, 932,468.40 and 341,824.80 is: 512,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,106.40 : 932,468.40 = 341,824.80 : x
  2. Step 2: Convert to fraction form
    622,106.40/932,468.40 = 341,824.80/x
  3. Step 3: Cross multiply
    622,106.40x = 932,468.40 × 341,824.80
  4. Step 4: Simplify right side
    622,106.40x = 318,740,824,336.32
  5. Step 5: Solve for x
    x = 318,740,824,336.32/622,106.40
  6. Step 6: Final answer
    x = 512,357.41

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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.