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Finding the Fourth Proportional to 570,061.20, 854,527.80 and 270,014.40

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Solution

The fourth proportional to 570,061.20, 854,527.80 and 270,014.40 is: 404,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,061.20 : 854,527.80 = 270,014.40 : x
  2. Step 2: Convert to fraction form
    570,061.20/854,527.80 = 270,014.40/x
  3. Step 3: Cross multiply
    570,061.20x = 854,527.80 × 270,014.40
  4. Step 4: Simplify right side
    570,061.20x = 230,734,811,200.32
  5. Step 5: Solve for x
    x = 230,734,811,200.32/570,061.20
  6. Step 6: Final answer
    x = 404,754.46

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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.