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Finding the Fourth Proportional to 377,809.80, 566,714.70 and 265,616.70

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Solution

The fourth proportional to 377,809.80, 566,714.70 and 265,616.70 is: 398,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,809.80 : 566,714.70 = 265,616.70 : x
  2. Step 2: Convert to fraction form
    377,809.80/566,714.70 = 265,616.70/x
  3. Step 3: Cross multiply
    377,809.80x = 566,714.70 × 265,616.70
  4. Step 4: Simplify right side
    377,809.80x = 150,528,888,455.49
  5. Step 5: Solve for x
    x = 150,528,888,455.49/377,809.80
  6. Step 6: Final answer
    x = 398,425.05

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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.