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Finding the Fourth Proportional to 542,594.56, 748,789.52 and 300,887.32

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Solution

The fourth proportional to 542,594.56, 748,789.52 and 300,887.32 is: 415,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,594.56 : 748,789.52 = 300,887.32 : x
  2. Step 2: Convert to fraction form
    542,594.56/748,789.52 = 300,887.32/x
  3. Step 3: Cross multiply
    542,594.56x = 748,789.52 × 300,887.32
  4. Step 4: Simplify right side
    542,594.56x = 225,301,271,916.89
  5. Step 5: Solve for x
    x = 225,301,271,916.89/542,594.56
  6. Step 6: Final answer
    x = 415,229.51

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1.5x scale

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.