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Finding the Fourth Proportional to 533,015.29, 735,564.03 and 300,445.84

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Solution

The fourth proportional to 533,015.29, 735,564.03 and 300,445.84 is: 414,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,015.29 : 735,564.03 = 300,445.84 : x
  2. Step 2: Convert to fraction form
    533,015.29/735,564.03 = 300,445.84/x
  3. Step 3: Cross multiply
    533,015.29x = 735,564.03 × 300,445.84
  4. Step 4: Simplify right side
    533,015.29x = 220,997,152,867.14
  5. Step 5: Solve for x
    x = 220,997,152,867.14/533,015.29
  6. Step 6: Final answer
    x = 414,616.91

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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.