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Finding the Fourth Proportional to 530,157.10, 795,309.54 and 170,338.87

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Solution

The fourth proportional to 530,157.10, 795,309.54 and 170,338.87 is: 255,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,157.10 : 795,309.54 = 170,338.87 : x
  2. Step 2: Convert to fraction form
    530,157.10/795,309.54 = 170,338.87/x
  3. Step 3: Cross multiply
    530,157.10x = 795,309.54 × 170,338.87
  4. Step 4: Simplify right side
    530,157.10x = 135,472,128,343.82
  5. Step 5: Solve for x
    x = 135,472,128,343.82/530,157.10
  6. Step 6: Final answer
    x = 255,532.05

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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.