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Finding the Fourth Proportional to 523,771.39, 722,750.65 and 294,292.21

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Solution

The fourth proportional to 523,771.39, 722,750.65 and 294,292.21 is: 406,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,771.39 : 722,750.65 = 294,292.21 : x
  2. Step 2: Convert to fraction form
    523,771.39/722,750.65 = 294,292.21/x
  3. Step 3: Cross multiply
    523,771.39x = 722,750.65 × 294,292.21
  4. Step 4: Simplify right side
    523,771.39x = 212,699,880,982.22
  5. Step 5: Solve for x
    x = 212,699,880,982.22/523,771.39
  6. Step 6: Final answer
    x = 406,092.98

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1.5x scale

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.