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Finding the Fourth Proportional to 377,061.95, 520,348.88 and 204,980.24

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Solution

The fourth proportional to 377,061.95, 520,348.88 and 204,980.24 is: 282,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,061.95 : 520,348.88 = 204,980.24 : x
  2. Step 2: Convert to fraction form
    377,061.95/520,348.88 = 204,980.24/x
  3. Step 3: Cross multiply
    377,061.95x = 520,348.88 × 204,980.24
  4. Step 4: Simplify right side
    377,061.95x = 106,661,240,119.45
  5. Step 5: Solve for x
    x = 106,661,240,119.45/377,061.95
  6. Step 6: Final answer
    x = 282,874.58

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1.5x scale

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.