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Finding the Fourth Proportional to 559,032.26, 771,473.88 and 317,322.30

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Solution

The fourth proportional to 559,032.26, 771,473.88 and 317,322.30 is: 437,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,032.26 : 771,473.88 = 317,322.30 : x
  2. Step 2: Convert to fraction form
    559,032.26/771,473.88 = 317,322.30/x
  3. Step 3: Cross multiply
    559,032.26x = 771,473.88 × 317,322.30
  4. Step 4: Simplify right side
    559,032.26x = 244,805,865,991.52
  5. Step 5: Solve for x
    x = 244,805,865,991.52/559,032.26
  6. Step 6: Final answer
    x = 437,910.09

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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.