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Finding the Fourth Proportional to 514,516.80, 771,314.40 and 337,108.80

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Solution

The fourth proportional to 514,516.80, 771,314.40 and 337,108.80 is: 505,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,516.80 : 771,314.40 = 337,108.80 : x
  2. Step 2: Convert to fraction form
    514,516.80/771,314.40 = 337,108.80/x
  3. Step 3: Cross multiply
    514,516.80x = 771,314.40 × 337,108.80
  4. Step 4: Simplify right side
    514,516.80x = 260,016,871,806.72
  5. Step 5: Solve for x
    x = 260,016,871,806.72/514,516.80
  6. Step 6: Final answer
    x = 505,361.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.