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Finding the Fourth Proportional to 550,344.10, 768,907.10 and 550,344.10

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Solution

The fourth proportional to 550,344.10, 768,907.10 and 550,344.10 is: 768,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,344.10 : 768,907.10 = 550,344.10 : x
  2. Step 2: Convert to fraction form
    550,344.10/768,907.10 = 550,344.10/x
  3. Step 3: Cross multiply
    550,344.10x = 768,907.10 × 550,344.10
  4. Step 4: Simplify right side
    550,344.10x = 423,163,485,933.11
  5. Step 5: Solve for x
    x = 423,163,485,933.11/550,344.10
  6. Step 6: Final answer
    x = 768,907.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.