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Finding the Fourth Proportional to 601,478.64, 902,216.32 and 268,821.36

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Solution

The fourth proportional to 601,478.64, 902,216.32 and 268,821.36 is: 403,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,478.64 : 902,216.32 = 268,821.36 : x
  2. Step 2: Convert to fraction form
    601,478.64/902,216.32 = 268,821.36/x
  3. Step 3: Cross multiply
    601,478.64x = 902,216.32 × 268,821.36
  4. Step 4: Simplify right side
    601,478.64x = 242,535,018,156.60
  5. Step 5: Solve for x
    x = 242,535,018,156.60/601,478.64
  6. Step 6: Final answer
    x = 403,231.31

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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.