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Finding the Fourth Proportional to 594,486.29, 820,365.12 and 339,853.88

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Solution

The fourth proportional to 594,486.29, 820,365.12 and 339,853.88 is: 468,983.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,486.29 : 820,365.12 = 339,853.88 : x
  2. Step 2: Convert to fraction form
    594,486.29/820,365.12 = 339,853.88/x
  3. Step 3: Cross multiply
    594,486.29x = 820,365.12 × 339,853.88
  4. Step 4: Simplify right side
    594,486.29x = 278,804,271,099.58
  5. Step 5: Solve for x
    x = 278,804,271,099.58/594,486.29
  6. Step 6: Final answer
    x = 468,983.52

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1.5x scale

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.