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Finding the Fourth Proportional to 775,977.05, 1,163,952 and 349,210.88

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Solution

The fourth proportional to 775,977.05, 1,163,952 and 349,210.88 is: 523,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,977.05 : 1,163,952 = 349,210.88 : x
  2. Step 2: Convert to fraction form
    775,977.05/1,163,952 = 349,210.88/x
  3. Step 3: Cross multiply
    775,977.05x = 1,163,952 × 349,210.88
  4. Step 4: Simplify right side
    775,977.05x = 406,464,696,378
  5. Step 5: Solve for x
    x = 406,464,696,378/775,977.05
  6. Step 6: Final answer
    x = 523,810.21

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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.