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Finding the Fourth Proportional to 535,249.38, 738,654.29 and 293,516.63

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Solution

The fourth proportional to 535,249.38, 738,654.29 and 293,516.63 is: 405,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,249.38 : 738,654.29 = 293,516.63 : x
  2. Step 2: Convert to fraction form
    535,249.38/738,654.29 = 293,516.63/x
  3. Step 3: Cross multiply
    535,249.38x = 738,654.29 × 293,516.63
  4. Step 4: Simplify right side
    535,249.38x = 216,807,312,774.99
  5. Step 5: Solve for x
    x = 216,807,312,774.99/535,249.38
  6. Step 6: Final answer
    x = 405,058.50

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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.