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Finding the Fourth Proportional to 357,744.40, 536,002.20 and 233,021.20

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Solution

The fourth proportional to 357,744.40, 536,002.20 and 233,021.20 is: 349,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,744.40 : 536,002.20 = 233,021.20 : x
  2. Step 2: Convert to fraction form
    357,744.40/536,002.20 = 233,021.20/x
  3. Step 3: Cross multiply
    357,744.40x = 536,002.20 × 233,021.20
  4. Step 4: Simplify right side
    357,744.40x = 124,899,875,846.64
  5. Step 5: Solve for x
    x = 124,899,875,846.64/357,744.40
  6. Step 6: Final answer
    x = 349,131.60

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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.