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Finding the Fourth Proportional to 507,203.27, 699,770.59 and 292,338.72

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Solution

The fourth proportional to 507,203.27, 699,770.59 and 292,338.72 is: 403,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,203.27 : 699,770.59 = 292,338.72 : x
  2. Step 2: Convert to fraction form
    507,203.27/699,770.59 = 292,338.72/x
  3. Step 3: Cross multiply
    507,203.27x = 699,770.59 × 292,338.72
  4. Step 4: Simplify right side
    507,203.27x = 204,570,039,487.80
  5. Step 5: Solve for x
    x = 204,570,039,487.80/507,203.27
  6. Step 6: Final answer
    x = 403,329.50

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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.