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Finding the Fourth Proportional to 377,666.62, 520,055.85 and 369,284.74

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Solution

The fourth proportional to 377,666.62, 520,055.85 and 369,284.74 is: 508,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,666.62 : 520,055.85 = 369,284.74 : x
  2. Step 2: Convert to fraction form
    377,666.62/520,055.85 = 369,284.74/x
  3. Step 3: Cross multiply
    377,666.62x = 520,055.85 × 369,284.74
  4. Step 4: Simplify right side
    377,666.62x = 192,048,689,352.73
  5. Step 5: Solve for x
    x = 192,048,689,352.73/377,666.62
  6. Step 6: Final answer
    x = 508,513.80

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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.