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Finding the Fourth Proportional to 529,643.60, 794,772.60 and 197,253.20

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Solution

The fourth proportional to 529,643.60, 794,772.60 and 197,253.20 is: 295,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,643.60 : 794,772.60 = 197,253.20 : x
  2. Step 2: Convert to fraction form
    529,643.60/794,772.60 = 197,253.20/x
  3. Step 3: Cross multiply
    529,643.60x = 794,772.60 × 197,253.20
  4. Step 4: Simplify right side
    529,643.60x = 156,771,438,622.32
  5. Step 5: Solve for x
    x = 156,771,438,622.32/529,643.60
  6. Step 6: Final answer
    x = 295,994.21

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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.