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Finding the Fourth Proportional to 377,065.06, 520,517.52 and 224,152.75

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Solution

The fourth proportional to 377,065.06, 520,517.52 and 224,152.75 is: 309,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,065.06 : 520,517.52 = 224,152.75 : x
  2. Step 2: Convert to fraction form
    377,065.06/520,517.52 = 224,152.75/x
  3. Step 3: Cross multiply
    377,065.06x = 520,517.52 × 224,152.75
  4. Step 4: Simplify right side
    377,065.06x = 116,675,434,181.83
  5. Step 5: Solve for x
    x = 116,675,434,181.83/377,065.06
  6. Step 6: Final answer
    x = 309,430.51

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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.