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Finding the Fourth Proportional to 541,215.56, 747,027.60 and 314,904.80

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Solution

The fourth proportional to 541,215.56, 747,027.60 and 314,904.80 is: 434,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,215.56 : 747,027.60 = 314,904.80 : x
  2. Step 2: Convert to fraction form
    541,215.56/747,027.60 = 314,904.80/x
  3. Step 3: Cross multiply
    541,215.56x = 747,027.60 × 314,904.80
  4. Step 4: Simplify right side
    541,215.56x = 235,242,576,972.48
  5. Step 5: Solve for x
    x = 235,242,576,972.48/541,215.56
  6. Step 6: Final answer
    x = 434,655.98

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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.