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Finding the Fourth Proportional to 569,625.40, 854,438.10 and 148,943.80

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Solution

The fourth proportional to 569,625.40, 854,438.10 and 148,943.80 is: 223,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,625.40 : 854,438.10 = 148,943.80 : x
  2. Step 2: Convert to fraction form
    569,625.40/854,438.10 = 148,943.80/x
  3. Step 3: Cross multiply
    569,625.40x = 854,438.10 × 148,943.80
  4. Step 4: Simplify right side
    569,625.40x = 127,263,257,478.78
  5. Step 5: Solve for x
    x = 127,263,257,478.78/569,625.40
  6. Step 6: Final answer
    x = 223,415.70

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Similar ratio
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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.