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Finding the Fourth Proportional to 377,925.99, 521,537.82 and 208,160.11

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Solution

The fourth proportional to 377,925.99, 521,537.82 and 208,160.11 is: 287,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,925.99 : 521,537.82 = 208,160.11 : x
  2. Step 2: Convert to fraction form
    377,925.99/521,537.82 = 208,160.11/x
  3. Step 3: Cross multiply
    377,925.99x = 521,537.82 × 208,160.11
  4. Step 4: Simplify right side
    377,925.99x = 108,563,369,980.36
  5. Step 5: Solve for x
    x = 108,563,369,980.36/377,925.99
  6. Step 6: Final answer
    x = 287,260.93

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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.