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Finding the Fourth Proportional to 603,813.44, 833,245.04 and 345,681.76

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Solution

The fourth proportional to 603,813.44, 833,245.04 and 345,681.76 is: 477,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,813.44 : 833,245.04 = 345,681.76 : x
  2. Step 2: Convert to fraction form
    603,813.44/833,245.04 = 345,681.76/x
  3. Step 3: Cross multiply
    603,813.44x = 833,245.04 × 345,681.76
  4. Step 4: Simplify right side
    603,813.44x = 288,037,611,938.47
  5. Step 5: Solve for x
    x = 288,037,611,938.47/603,813.44
  6. Step 6: Final answer
    x = 477,030.81

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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.