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Finding the Fourth Proportional to 550,470.60, 825,705.90 and 529,475.40

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Solution

The fourth proportional to 550,470.60, 825,705.90 and 529,475.40 is: 794,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,470.60 : 825,705.90 = 529,475.40 : x
  2. Step 2: Convert to fraction form
    550,470.60/825,705.90 = 529,475.40/x
  3. Step 3: Cross multiply
    550,470.60x = 825,705.90 × 529,475.40
  4. Step 4: Simplify right side
    550,470.60x = 437,190,961,684.86
  5. Step 5: Solve for x
    x = 437,190,961,684.86/550,470.60
  6. Step 6: Final answer
    x = 794,213.10

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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.