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Finding the Fourth Proportional to 529,883.50, 731,111.22 and 336,220.60

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Solution

The fourth proportional to 529,883.50, 731,111.22 and 336,220.60 is: 463,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,883.50 : 731,111.22 = 336,220.60 : x
  2. Step 2: Convert to fraction form
    529,883.50/731,111.22 = 336,220.60/x
  3. Step 3: Cross multiply
    529,883.50x = 731,111.22 × 336,220.60
  4. Step 4: Simplify right side
    529,883.50x = 245,814,653,055.13
  5. Step 5: Solve for x
    x = 245,814,653,055.13/529,883.50
  6. Step 6: Final answer
    x = 463,903.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.