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Finding the Fourth Proportional to 569,875.20, 854,889.60 and 196,012.80

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Solution

The fourth proportional to 569,875.20, 854,889.60 and 196,012.80 is: 294,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,875.20 : 854,889.60 = 196,012.80 : x
  2. Step 2: Convert to fraction form
    569,875.20/854,889.60 = 196,012.80/x
  3. Step 3: Cross multiply
    569,875.20x = 854,889.60 × 196,012.80
  4. Step 4: Simplify right side
    569,875.20x = 167,569,304,186.88
  5. Step 5: Solve for x
    x = 167,569,304,186.88/569,875.20
  6. Step 6: Final answer
    x = 294,045.62

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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.