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Finding the Fourth Proportional to 531,863.16, 737,076.24 and 521,770.16

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Solution

The fourth proportional to 531,863.16, 737,076.24 and 521,770.16 is: 723,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,863.16 : 737,076.24 = 521,770.16 : x
  2. Step 2: Convert to fraction form
    531,863.16/737,076.24 = 521,770.16/x
  3. Step 3: Cross multiply
    531,863.16x = 737,076.24 × 521,770.16
  4. Step 4: Simplify right side
    531,863.16x = 384,584,387,677.00
  5. Step 5: Solve for x
    x = 384,584,387,677.00/531,863.16
  6. Step 6: Final answer
    x = 723,088.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.