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Finding the Fourth Proportional to 651,507.12, 897,956.75 and 433,325.33

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Solution

The fourth proportional to 651,507.12, 897,956.75 and 433,325.33 is: 597,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,507.12 : 897,956.75 = 433,325.33 : x
  2. Step 2: Convert to fraction form
    651,507.12/897,956.75 = 433,325.33/x
  3. Step 3: Cross multiply
    651,507.12x = 897,956.75 × 433,325.33
  4. Step 4: Simplify right side
    651,507.12x = 389,107,398,363.07
  5. Step 5: Solve for x
    x = 389,107,398,363.07/651,507.12
  6. Step 6: Final answer
    x = 597,241.97

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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.