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Finding the Fourth Proportional to 534,251.46, 801,418.64 and 155,178.30

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Solution

The fourth proportional to 534,251.46, 801,418.64 and 155,178.30 is: 232,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,251.46 : 801,418.64 = 155,178.30 : x
  2. Step 2: Convert to fraction form
    534,251.46/801,418.64 = 155,178.30/x
  3. Step 3: Cross multiply
    534,251.46x = 801,418.64 × 155,178.30
  4. Step 4: Simplify right side
    534,251.46x = 124,362,782,143.51
  5. Step 5: Solve for x
    x = 124,362,782,143.51/534,251.46
  6. Step 6: Final answer
    x = 232,779.49

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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.