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Finding the Fourth Proportional to 481,756.60, 722,894.10 and 201,302.20

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Solution

The fourth proportional to 481,756.60, 722,894.10 and 201,302.20 is: 302,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,756.60 : 722,894.10 = 201,302.20 : x
  2. Step 2: Convert to fraction form
    481,756.60/722,894.10 = 201,302.20/x
  3. Step 3: Cross multiply
    481,756.60x = 722,894.10 × 201,302.20
  4. Step 4: Simplify right side
    481,756.60x = 145,520,172,697.02
  5. Step 5: Solve for x
    x = 145,520,172,697.02/481,756.60
  6. Step 6: Final answer
    x = 302,061.61

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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.