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Finding the Fourth Proportional to 594,473.61, 891,871.20 and 423,910.74

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Solution

The fourth proportional to 594,473.61, 891,871.20 and 423,910.74 is: 635,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,473.61 : 891,871.20 = 423,910.74 : x
  2. Step 2: Convert to fraction form
    594,473.61/891,871.20 = 423,910.74/x
  3. Step 3: Cross multiply
    594,473.61x = 891,871.20 × 423,910.74
  4. Step 4: Simplify right side
    594,473.61x = 378,073,780,020.57
  5. Step 5: Solve for x
    x = 378,073,780,020.57/594,473.61
  6. Step 6: Final answer
    x = 635,980.76

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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.