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Finding the Fourth Proportional to 648,448.62, 894,855.66 and 376,583.34

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Solution

The fourth proportional to 648,448.62, 894,855.66 and 376,583.34 is: 519,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,448.62 : 894,855.66 = 376,583.34 : x
  2. Step 2: Convert to fraction form
    648,448.62/894,855.66 = 376,583.34/x
  3. Step 3: Cross multiply
    648,448.62x = 894,855.66 × 376,583.34
  4. Step 4: Simplify right side
    648,448.62x = 336,987,733,260.70
  5. Step 5: Solve for x
    x = 336,987,733,260.70/648,448.62
  6. Step 6: Final answer
    x = 519,683.01

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