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Finding the Fourth Proportional to 579,536.64, 868,807.68 and 263,880.96

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Solution

The fourth proportional to 579,536.64, 868,807.68 and 263,880.96 is: 395,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,536.64 : 868,807.68 = 263,880.96 : x
  2. Step 2: Convert to fraction form
    579,536.64/868,807.68 = 263,880.96/x
  3. Step 3: Cross multiply
    579,536.64x = 868,807.68 × 263,880.96
  4. Step 4: Simplify right side
    579,536.64x = 229,261,804,653.77
  5. Step 5: Solve for x
    x = 229,261,804,653.77/579,536.64
  6. Step 6: Final answer
    x = 395,595.01

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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.