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Finding the Fourth Proportional to 528,433.22, 724,754.06 and 506,732.52

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Solution

The fourth proportional to 528,433.22, 724,754.06 and 506,732.52 is: 694,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,433.22 : 724,754.06 = 506,732.52 : x
  2. Step 2: Convert to fraction form
    528,433.22/724,754.06 = 506,732.52/x
  3. Step 3: Cross multiply
    528,433.22x = 724,754.06 × 506,732.52
  4. Step 4: Simplify right side
    528,433.22x = 367,256,451,204.03
  5. Step 5: Solve for x
    x = 367,256,451,204.03/528,433.22
  6. Step 6: Final answer
    x = 694,991.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.