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Finding the Fourth Proportional to 377,602.62, 521,106.39 and 207,852.54

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Solution

The fourth proportional to 377,602.62, 521,106.39 and 207,852.54 is: 286,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,602.62 : 521,106.39 = 207,852.54 : x
  2. Step 2: Convert to fraction form
    377,602.62/521,106.39 = 207,852.54/x
  3. Step 3: Cross multiply
    377,602.62x = 521,106.39 × 207,852.54
  4. Step 4: Simplify right side
    377,602.62x = 108,313,286,771.73
  5. Step 5: Solve for x
    x = 108,313,286,771.73/377,602.62
  6. Step 6: Final answer
    x = 286,844.64

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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.