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Finding the Fourth Proportional to 530,569.12, 796,130.16 and 235,012

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Solution

The fourth proportional to 530,569.12, 796,130.16 and 235,012 is: 352,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,569.12 : 796,130.16 = 235,012 : x
  2. Step 2: Convert to fraction form
    530,569.12/796,130.16 = 235,012/x
  3. Step 3: Cross multiply
    530,569.12x = 796,130.16 × 235,012
  4. Step 4: Simplify right side
    530,569.12x = 187,100,141,161.92
  5. Step 5: Solve for x
    x = 187,100,141,161.92/530,569.12
  6. Step 6: Final answer
    x = 352,640.46

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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.