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Finding the Fourth Proportional to 569,120.40, 851,837.40 and 403,232.40

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Solution

The fourth proportional to 569,120.40, 851,837.40 and 403,232.40 is: 603,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,120.40 : 851,837.40 = 403,232.40 : x
  2. Step 2: Convert to fraction form
    569,120.40/851,837.40 = 403,232.40/x
  3. Step 3: Cross multiply
    569,120.40x = 851,837.40 × 403,232.40
  4. Step 4: Simplify right side
    569,120.40x = 343,488,439,211.76
  5. Step 5: Solve for x
    x = 343,488,439,211.76/569,120.40
  6. Step 6: Final answer
    x = 603,542.66

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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.