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Finding the Fourth Proportional to 536,637.60, 804,956.40 and 529,639.20

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Solution

The fourth proportional to 536,637.60, 804,956.40 and 529,639.20 is: 794,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,637.60 : 804,956.40 = 529,639.20 : x
  2. Step 2: Convert to fraction form
    536,637.60/804,956.40 = 529,639.20/x
  3. Step 3: Cross multiply
    536,637.60x = 804,956.40 × 529,639.20
  4. Step 4: Simplify right side
    536,637.60x = 426,336,463,730.88
  5. Step 5: Solve for x
    x = 426,336,463,730.88/536,637.60
  6. Step 6: Final answer
    x = 794,458.80

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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.