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Finding the Fourth Proportional to 529,774.56, 731,073.38 and 300,353.00

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Solution

The fourth proportional to 529,774.56, 731,073.38 and 300,353.00 is: 414,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,774.56 : 731,073.38 = 300,353.00 : x
  2. Step 2: Convert to fraction form
    529,774.56/731,073.38 = 300,353.00/x
  3. Step 3: Cross multiply
    529,774.56x = 731,073.38 × 300,353.00
  4. Step 4: Simplify right side
    529,774.56x = 219,580,077,746.01
  5. Step 5: Solve for x
    x = 219,580,077,746.01/529,774.56
  6. Step 6: Final answer
    x = 414,478.34

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Why These Related Problems?

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