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Finding the Fourth Proportional to 377,902.76, 566,185.74 and 355,425.32

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Solution

The fourth proportional to 377,902.76, 566,185.74 and 355,425.32 is: 532,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,902.76 : 566,185.74 = 355,425.32 : x
  2. Step 2: Convert to fraction form
    377,902.76/566,185.74 = 355,425.32/x
  3. Step 3: Cross multiply
    377,902.76x = 566,185.74 × 355,425.32
  4. Step 4: Simplify right side
    377,902.76x = 201,236,747,818.94
  5. Step 5: Solve for x
    x = 201,236,747,818.94/377,902.76
  6. Step 6: Final answer
    x = 532,509.34

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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.