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Finding the Fourth Proportional to 605,851.20, 908,776.80 and 437,014.80

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Solution

The fourth proportional to 605,851.20, 908,776.80 and 437,014.80 is: 655,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,851.20 : 908,776.80 = 437,014.80 : x
  2. Step 2: Convert to fraction form
    605,851.20/908,776.80 = 437,014.80/x
  3. Step 3: Cross multiply
    605,851.20x = 908,776.80 × 437,014.80
  4. Step 4: Simplify right side
    605,851.20x = 397,148,911,496.64
  5. Step 5: Solve for x
    x = 397,148,911,496.64/605,851.20
  6. Step 6: Final answer
    x = 655,522.20

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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.