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Finding the Fourth Proportional to 542,566.28, 748,750.47 and 300,859.04

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Solution

The fourth proportional to 542,566.28, 748,750.47 and 300,859.04 is: 415,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,566.28 : 748,750.47 = 300,859.04 : x
  2. Step 2: Convert to fraction form
    542,566.28/748,750.47 = 300,859.04/x
  3. Step 3: Cross multiply
    542,566.28x = 748,750.47 × 300,859.04
  4. Step 4: Simplify right side
    542,566.28x = 225,268,347,603.75
  5. Step 5: Solve for x
    x = 225,268,347,603.75/542,566.28
  6. Step 6: Final answer
    x = 415,190.47

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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.