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Finding the Fourth Proportional to 424,254.99, 585,474.09 and 233,280.69

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Solution

The fourth proportional to 424,254.99, 585,474.09 and 233,280.69 is: 321,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,254.99 : 585,474.09 = 233,280.69 : x
  2. Step 2: Convert to fraction form
    424,254.99/585,474.09 = 233,280.69/x
  3. Step 3: Cross multiply
    424,254.99x = 585,474.09 × 233,280.69
  4. Step 4: Simplify right side
    424,254.99x = 136,579,799,692.32
  5. Step 5: Solve for x
    x = 136,579,799,692.32/424,254.99
  6. Step 6: Final answer
    x = 321,928.56

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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.