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Finding the Fourth Proportional to 530,722.64, 796,130.10 and 170,929.70

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Solution

The fourth proportional to 530,722.64, 796,130.10 and 170,929.70 is: 256,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,722.64 : 796,130.10 = 170,929.70 : x
  2. Step 2: Convert to fraction form
    530,722.64/796,130.10 = 170,929.70/x
  3. Step 3: Cross multiply
    530,722.64x = 796,130.10 × 170,929.70
  4. Step 4: Simplify right side
    530,722.64x = 136,082,279,153.97
  5. Step 5: Solve for x
    x = 136,082,279,153.97/530,722.64
  6. Step 6: Final answer
    x = 256,409.41

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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.