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Finding the Fourth Proportional to 699,113.04, 964,734.82 and 389,007.37

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Solution

The fourth proportional to 699,113.04, 964,734.82 and 389,007.37 is: 536,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,113.04 : 964,734.82 = 389,007.37 : x
  2. Step 2: Convert to fraction form
    699,113.04/964,734.82 = 389,007.37/x
  3. Step 3: Cross multiply
    699,113.04x = 964,734.82 × 389,007.37
  4. Step 4: Simplify right side
    699,113.04x = 375,288,955,075.62
  5. Step 5: Solve for x
    x = 375,288,955,075.62/699,113.04
  6. Step 6: Final answer
    x = 536,807.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.