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Finding the Fourth Proportional to 594,524.13, 891,406.89 and 391,886.30

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Solution

The fourth proportional to 594,524.13, 891,406.89 and 391,886.30 is: 587,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,524.13 : 891,406.89 = 391,886.30 : x
  2. Step 2: Convert to fraction form
    594,524.13/891,406.89 = 391,886.30/x
  3. Step 3: Cross multiply
    594,524.13x = 891,406.89 × 391,886.30
  4. Step 4: Simplify right side
    594,524.13x = 349,330,143,459.57
  5. Step 5: Solve for x
    x = 349,330,143,459.57/594,524.13
  6. Step 6: Final answer
    x = 587,579.42

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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.