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Finding the Fourth Proportional to 373,907.34, 560,861.82 and 163,561.68

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Solution

The fourth proportional to 373,907.34, 560,861.82 and 163,561.68 is: 245,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,907.34 : 560,861.82 = 163,561.68 : x
  2. Step 2: Convert to fraction form
    373,907.34/560,861.82 = 163,561.68/x
  3. Step 3: Cross multiply
    373,907.34x = 560,861.82 × 163,561.68
  4. Step 4: Simplify right side
    373,907.34x = 91,735,501,527.06
  5. Step 5: Solve for x
    x = 91,735,501,527.06/373,907.34
  6. Step 6: Final answer
    x = 245,342.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.