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Finding the Fourth Proportional to 531,837.60, 798,191.60 and 527,690.40

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Solution

The fourth proportional to 531,837.60, 798,191.60 and 527,690.40 is: 791,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,837.60 : 798,191.60 = 527,690.40 : x
  2. Step 2: Convert to fraction form
    531,837.60/798,191.60 = 527,690.40/x
  3. Step 3: Cross multiply
    531,837.60x = 798,191.60 × 527,690.40
  4. Step 4: Simplify right side
    531,837.60x = 421,198,044,680.64
  5. Step 5: Solve for x
    x = 421,198,044,680.64/531,837.60
  6. Step 6: Final answer
    x = 791,967.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.