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Finding the Fourth Proportional to 529,709.40, 794,612.70 and 174,724.20

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Solution

The fourth proportional to 529,709.40, 794,612.70 and 174,724.20 is: 262,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,709.40 : 794,612.70 = 174,724.20 : x
  2. Step 2: Convert to fraction form
    529,709.40/794,612.70 = 174,724.20/x
  3. Step 3: Cross multiply
    529,709.40x = 794,612.70 × 174,724.20
  4. Step 4: Simplify right side
    529,709.40x = 138,838,068,317.34
  5. Step 5: Solve for x
    x = 138,838,068,317.34/529,709.40
  6. Step 6: Final answer
    x = 262,102.33

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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.