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Finding the Fourth Proportional to 557,532.44, 769,395.70 and 302,883.88

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Solution

The fourth proportional to 557,532.44, 769,395.70 and 302,883.88 is: 417,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,532.44 : 769,395.70 = 302,883.88 : x
  2. Step 2: Convert to fraction form
    557,532.44/769,395.70 = 302,883.88/x
  3. Step 3: Cross multiply
    557,532.44x = 769,395.70 × 302,883.88
  4. Step 4: Simplify right side
    557,532.44x = 233,037,554,871.32
  5. Step 5: Solve for x
    x = 233,037,554,871.32/557,532.44
  6. Step 6: Final answer
    x = 417,980.26

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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.