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Finding the Fourth Proportional to 959,233.21, 1,323,745 and 529,512.32

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Solution

The fourth proportional to 959,233.21, 1,323,745 and 529,512.32 is: 730,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,233.21 : 1,323,745 = 529,512.32 : x
  2. Step 2: Convert to fraction form
    959,233.21/1,323,745 = 529,512.32/x
  3. Step 3: Cross multiply
    959,233.21x = 1,323,745 × 529,512.32
  4. Step 4: Simplify right side
    959,233.21x = 700,939,286,038.40
  5. Step 5: Solve for x
    x = 700,939,286,038.40/959,233.21
  6. Step 6: Final answer
    x = 730,728.75

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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.