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Finding the Fourth Proportional to 529,761.60, 794,995.74 and 192,802.16

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Solution

The fourth proportional to 529,761.60, 794,995.74 and 192,802.16 is: 289,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,761.60 : 794,995.74 = 192,802.16 : x
  2. Step 2: Convert to fraction form
    529,761.60/794,995.74 = 192,802.16/x
  3. Step 3: Cross multiply
    529,761.60x = 794,995.74 × 192,802.16
  4. Step 4: Simplify right side
    529,761.60x = 153,276,897,410.15
  5. Step 5: Solve for x
    x = 153,276,897,410.15/529,761.60
  6. Step 6: Final answer
    x = 289,331.84

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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.