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Finding the Fourth Proportional to 603,872.23, 833,345.40 and 345,753.13

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Solution

The fourth proportional to 603,872.23, 833,345.40 and 345,753.13 is: 477,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,872.23 : 833,345.40 = 345,753.13 : x
  2. Step 2: Convert to fraction form
    603,872.23/833,345.40 = 345,753.13/x
  3. Step 3: Cross multiply
    603,872.23x = 833,345.40 × 345,753.13
  4. Step 4: Simplify right side
    603,872.23x = 288,131,781,595.76
  5. Step 5: Solve for x
    x = 288,131,781,595.76/603,872.23
  6. Step 6: Final answer
    x = 477,140.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.