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Finding the Fourth Proportional to 594,854.88, 821,051.28 and 340,285.92

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Solution

The fourth proportional to 594,854.88, 821,051.28 and 340,285.92 is: 469,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,854.88 : 821,051.28 = 340,285.92 : x
  2. Step 2: Convert to fraction form
    594,854.88/821,051.28 = 340,285.92/x
  3. Step 3: Cross multiply
    594,854.88x = 821,051.28 × 340,285.92
  4. Step 4: Simplify right side
    594,854.88x = 279,392,190,181.98
  5. Step 5: Solve for x
    x = 279,392,190,181.98/594,854.88
  6. Step 6: Final answer
    x = 469,681.26

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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.