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Finding the Fourth Proportional to 517,126.80, 775,690.02 and 162,168.06

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Solution

The fourth proportional to 517,126.80, 775,690.02 and 162,168.06 is: 243,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,126.80 : 775,690.02 = 162,168.06 : x
  2. Step 2: Convert to fraction form
    517,126.80/775,690.02 = 162,168.06/x
  3. Step 3: Cross multiply
    517,126.80x = 775,690.02 × 162,168.06
  4. Step 4: Simplify right side
    517,126.80x = 125,792,145,704.76
  5. Step 5: Solve for x
    x = 125,792,145,704.76/517,126.80
  6. Step 6: Final answer
    x = 243,252.03

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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.