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Finding the Fourth Proportional to 532,212.15, 798,440.47 and 153,136.02

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Solution

The fourth proportional to 532,212.15, 798,440.47 and 153,136.02 is: 229,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,212.15 : 798,440.47 = 153,136.02 : x
  2. Step 2: Convert to fraction form
    532,212.15/798,440.47 = 153,136.02/x
  3. Step 3: Cross multiply
    532,212.15x = 798,440.47 × 153,136.02
  4. Step 4: Simplify right side
    532,212.15x = 122,269,993,956.66
  5. Step 5: Solve for x
    x = 122,269,993,956.66/532,212.15
  6. Step 6: Final answer
    x = 229,739.20

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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.