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Finding the Fourth Proportional to 603,153.33, 832,143.51 and 385,489.41

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Solution

The fourth proportional to 603,153.33, 832,143.51 and 385,489.41 is: 531,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,153.33 : 832,143.51 = 385,489.41 : x
  2. Step 2: Convert to fraction form
    603,153.33/832,143.51 = 385,489.41/x
  3. Step 3: Cross multiply
    603,153.33x = 832,143.51 × 385,489.41
  4. Step 4: Simplify right side
    603,153.33x = 320,782,510,705.23
  5. Step 5: Solve for x
    x = 320,782,510,705.23/603,153.33
  6. Step 6: Final answer
    x = 531,842.39

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1.5x scale

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.