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Finding the Fourth Proportional to 666,328.02, 919,554.41 and 364,522.02

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Solution

The fourth proportional to 666,328.02, 919,554.41 and 364,522.02 is: 503,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,328.02 : 919,554.41 = 364,522.02 : x
  2. Step 2: Convert to fraction form
    666,328.02/919,554.41 = 364,522.02/x
  3. Step 3: Cross multiply
    666,328.02x = 919,554.41 × 364,522.02
  4. Step 4: Simplify right side
    666,328.02x = 335,197,831,033.11
  5. Step 5: Solve for x
    x = 335,197,831,033.11/666,328.02
  6. Step 6: Final answer
    x = 503,052.28

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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.