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Finding the Fourth Proportional to 277,861.53, 383,466.58 and 170,416.92

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Solution

The fourth proportional to 277,861.53, 383,466.58 and 170,416.92 is: 235,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,861.53 : 383,466.58 = 170,416.92 : x
  2. Step 2: Convert to fraction form
    277,861.53/383,466.58 = 170,416.92/x
  3. Step 3: Cross multiply
    277,861.53x = 383,466.58 × 170,416.92
  4. Step 4: Simplify right side
    277,861.53x = 65,349,193,060.49
  5. Step 5: Solve for x
    x = 65,349,193,060.49/277,861.53
  6. Step 6: Final answer
    x = 235,186.18

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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.