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Finding the Fourth Proportional to 370,901.89, 555,487.59 and 270,813.84

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Solution

The fourth proportional to 370,901.89, 555,487.59 and 270,813.84 is: 405,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,901.89 : 555,487.59 = 270,813.84 : x
  2. Step 2: Convert to fraction form
    370,901.89/555,487.59 = 270,813.84/x
  3. Step 3: Cross multiply
    370,901.89x = 555,487.59 × 270,813.84
  4. Step 4: Simplify right side
    370,901.89x = 150,433,727,320.25
  5. Step 5: Solve for x
    x = 150,433,727,320.25/370,901.89
  6. Step 6: Final answer
    x = 405,589.00

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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.