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Finding the Fourth Proportional to 300,334.42, 414,379.56 and 176,154.74

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Solution

The fourth proportional to 300,334.42, 414,379.56 and 176,154.74 is: 243,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,334.42 : 414,379.56 = 176,154.74 : x
  2. Step 2: Convert to fraction form
    300,334.42/414,379.56 = 176,154.74/x
  3. Step 3: Cross multiply
    300,334.42x = 414,379.56 × 176,154.74
  4. Step 4: Simplify right side
    300,334.42x = 72,994,923,653.11
  5. Step 5: Solve for x
    x = 72,994,923,653.11/300,334.42
  6. Step 6: Final answer
    x = 243,045.48

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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.