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Finding the Fourth Proportional to 569,813.91, 854,720.40 and 228,411.60

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Solution

The fourth proportional to 569,813.91, 854,720.40 and 228,411.60 is: 342,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,813.91 : 854,720.40 = 228,411.60 : x
  2. Step 2: Convert to fraction form
    569,813.91/854,720.40 = 228,411.60/x
  3. Step 3: Cross multiply
    569,813.91x = 854,720.40 × 228,411.60
  4. Step 4: Simplify right side
    569,813.91x = 195,228,051,767.98
  5. Step 5: Solve for x
    x = 195,228,051,767.98/569,813.91
  6. Step 6: Final answer
    x = 342,617.21

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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.