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Finding the Fourth Proportional to 377,809.40, 566,714.10 and 328,601.90

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Solution

The fourth proportional to 377,809.40, 566,714.10 and 328,601.90 is: 492,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,809.40 : 566,714.10 = 328,601.90 : x
  2. Step 2: Convert to fraction form
    377,809.40/566,714.10 = 328,601.90/x
  3. Step 3: Cross multiply
    377,809.40x = 566,714.10 × 328,601.90
  4. Step 4: Simplify right side
    377,809.40x = 186,223,330,016.79
  5. Step 5: Solve for x
    x = 186,223,330,016.79/377,809.40
  6. Step 6: Final answer
    x = 492,902.85

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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.