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Finding the Fourth Proportional to 318,154.92, 476,193.96 and 233,892.78

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Solution

The fourth proportional to 318,154.92, 476,193.96 and 233,892.78 is: 350,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,154.92 : 476,193.96 = 233,892.78 : x
  2. Step 2: Convert to fraction form
    318,154.92/476,193.96 = 233,892.78/x
  3. Step 3: Cross multiply
    318,154.92x = 476,193.96 × 233,892.78
  4. Step 4: Simplify right side
    318,154.92x = 111,378,329,123.61
  5. Step 5: Solve for x
    x = 111,378,329,123.61/318,154.92
  6. Step 6: Final answer
    x = 350,075.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.