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Finding the Fourth Proportional to 541,259.55, 747,017.24 and 311,772.24

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Solution

The fourth proportional to 541,259.55, 747,017.24 and 311,772.24 is: 430,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,259.55 : 747,017.24 = 311,772.24 : x
  2. Step 2: Convert to fraction form
    541,259.55/747,017.24 = 311,772.24/x
  3. Step 3: Cross multiply
    541,259.55x = 747,017.24 × 311,772.24
  4. Step 4: Simplify right side
    541,259.55x = 232,899,236,674.56
  5. Step 5: Solve for x
    x = 232,899,236,674.56/541,259.55
  6. Step 6: Final answer
    x = 430,291.23

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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.