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Finding the Fourth Proportional to 617,926.50, 852,751.53 and 349,654.50

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Solution

The fourth proportional to 617,926.50, 852,751.53 and 349,654.50 is: 482,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,926.50 : 852,751.53 = 349,654.50 : x
  2. Step 2: Convert to fraction form
    617,926.50/852,751.53 = 349,654.50/x
  3. Step 3: Cross multiply
    617,926.50x = 852,751.53 × 349,654.50
  4. Step 4: Simplify right side
    617,926.50x = 298,168,409,846.39
  5. Step 5: Solve for x
    x = 298,168,409,846.39/617,926.50
  6. Step 6: Final answer
    x = 482,530.54

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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.