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Finding the Fourth Proportional to 544,898.06, 751,947.54 and 315,465.02

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Solution

The fourth proportional to 544,898.06, 751,947.54 and 315,465.02 is: 435,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,898.06 : 751,947.54 = 315,465.02 : x
  2. Step 2: Convert to fraction form
    544,898.06/751,947.54 = 315,465.02/x
  3. Step 3: Cross multiply
    544,898.06x = 751,947.54 × 315,465.02
  4. Step 4: Simplify right side
    544,898.06x = 237,213,145,745.05
  5. Step 5: Solve for x
    x = 237,213,145,745.05/544,898.06
  6. Step 6: Final answer
    x = 435,334.91

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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.