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Finding the Fourth Proportional to 377,154.46, 520,473.16 and 207,388.59

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Solution

The fourth proportional to 377,154.46, 520,473.16 and 207,388.59 is: 286,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,154.46 : 520,473.16 = 207,388.59 : x
  2. Step 2: Convert to fraction form
    377,154.46/520,473.16 = 207,388.59/x
  3. Step 3: Cross multiply
    377,154.46x = 520,473.16 × 207,388.59
  4. Step 4: Simplify right side
    377,154.46x = 107,940,193,092.71
  5. Step 5: Solve for x
    x = 107,940,193,092.71/377,154.46
  6. Step 6: Final answer
    x = 286,196.25

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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.