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Finding the Fourth Proportional to 377,199.74, 520,549.33 and 216,085.93

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Solution

The fourth proportional to 377,199.74, 520,549.33 and 216,085.93 is: 298,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,199.74 : 520,549.33 = 216,085.93 : x
  2. Step 2: Convert to fraction form
    377,199.74/520,549.33 = 216,085.93/x
  3. Step 3: Cross multiply
    377,199.74x = 520,549.33 × 216,085.93
  4. Step 4: Simplify right side
    377,199.74x = 112,483,384,647.50
  5. Step 5: Solve for x
    x = 112,483,384,647.50/377,199.74
  6. Step 6: Final answer
    x = 298,206.42

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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.