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Finding the Fourth Proportional to 334,943.40, 502,415.10 and 303,450.60

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Solution

The fourth proportional to 334,943.40, 502,415.10 and 303,450.60 is: 455,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,943.40 : 502,415.10 = 303,450.60 : x
  2. Step 2: Convert to fraction form
    334,943.40/502,415.10 = 303,450.60/x
  3. Step 3: Cross multiply
    334,943.40x = 502,415.10 × 303,450.60
  4. Step 4: Simplify right side
    334,943.40x = 152,458,163,544.06
  5. Step 5: Solve for x
    x = 152,458,163,544.06/334,943.40
  6. Step 6: Final answer
    x = 455,175.90

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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.