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Finding the Fourth Proportional to 517,309.51, 775,997.06 and 162,337.54

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Solution

The fourth proportional to 517,309.51, 775,997.06 and 162,337.54 is: 243,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,309.51 : 775,997.06 = 162,337.54 : x
  2. Step 2: Convert to fraction form
    517,309.51/775,997.06 = 162,337.54/x
  3. Step 3: Cross multiply
    517,309.51x = 775,997.06 × 162,337.54
  4. Step 4: Simplify right side
    517,309.51x = 125,973,453,767.63
  5. Step 5: Solve for x
    x = 125,973,453,767.63/517,309.51
  6. Step 6: Final answer
    x = 243,516.60

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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.