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Finding the Fourth Proportional to 554,107.68, 830,954.16 and 437,156.64

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Solution

The fourth proportional to 554,107.68, 830,954.16 and 437,156.64 is: 655,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,107.68 : 830,954.16 = 437,156.64 : x
  2. Step 2: Convert to fraction form
    554,107.68/830,954.16 = 437,156.64/x
  3. Step 3: Cross multiply
    554,107.68x = 830,954.16 × 437,156.64
  4. Step 4: Simplify right side
    554,107.68x = 363,257,128,579.62
  5. Step 5: Solve for x
    x = 363,257,128,579.62/554,107.68
  6. Step 6: Final answer
    x = 655,571.37

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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.