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Finding the Fourth Proportional to 568,925.62, 785,106.21 and 314,274.58

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Solution

The fourth proportional to 568,925.62, 785,106.21 and 314,274.58 is: 433,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,925.62 : 785,106.21 = 314,274.58 : x
  2. Step 2: Convert to fraction form
    568,925.62/785,106.21 = 314,274.58/x
  3. Step 3: Cross multiply
    568,925.62x = 785,106.21 × 314,274.58
  4. Step 4: Simplify right side
    568,925.62x = 246,738,924,403.14
  5. Step 5: Solve for x
    x = 246,738,924,403.14/568,925.62
  6. Step 6: Final answer
    x = 433,692.76

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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.