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Finding the Fourth Proportional to 603,875.28, 833,533.56 and 389,014.68

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Solution

The fourth proportional to 603,875.28, 833,533.56 and 389,014.68 is: 536,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,875.28 : 833,533.56 = 389,014.68 : x
  2. Step 2: Convert to fraction form
    603,875.28/833,533.56 = 389,014.68/x
  3. Step 3: Cross multiply
    603,875.28x = 833,533.56 × 389,014.68
  4. Step 4: Simplify right side
    603,875.28x = 324,256,791,112.66
  5. Step 5: Solve for x
    x = 324,256,791,112.66/603,875.28
  6. Step 6: Final answer
    x = 536,959.87

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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.