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Finding the Fourth Proportional to 563,052.16, 777,010.80 and 304,928.30

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Solution

The fourth proportional to 563,052.16, 777,010.80 and 304,928.30 is: 420,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,052.16 : 777,010.80 = 304,928.30 : x
  2. Step 2: Convert to fraction form
    563,052.16/777,010.80 = 304,928.30/x
  3. Step 3: Cross multiply
    563,052.16x = 777,010.80 × 304,928.30
  4. Step 4: Simplify right side
    563,052.16x = 236,932,582,325.64
  5. Step 5: Solve for x
    x = 236,932,582,325.64/563,052.16
  6. Step 6: Final answer
    x = 420,800.41

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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.