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Finding the Fourth Proportional to 633,023.19, 873,582.83 and 391,299.54

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Solution

The fourth proportional to 633,023.19, 873,582.83 and 391,299.54 is: 540,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,023.19 : 873,582.83 = 391,299.54 : x
  2. Step 2: Convert to fraction form
    633,023.19/873,582.83 = 391,299.54/x
  3. Step 3: Cross multiply
    633,023.19x = 873,582.83 × 391,299.54
  4. Step 4: Simplify right side
    633,023.19x = 341,832,557,574.40
  5. Step 5: Solve for x
    x = 341,832,557,574.40/633,023.19
  6. Step 6: Final answer
    x = 540,000.06

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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.