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Finding the Fourth Proportional to 277,885.40, 383,492.58 and 168,958.45

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Solution

The fourth proportional to 277,885.40, 383,492.58 and 168,958.45 is: 233,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,885.40 : 383,492.58 = 168,958.45 : x
  2. Step 2: Convert to fraction form
    277,885.40/383,492.58 = 168,958.45/x
  3. Step 3: Cross multiply
    277,885.40x = 383,492.58 × 168,958.45
  4. Step 4: Simplify right side
    277,885.40x = 64,794,311,749.07
  5. Step 5: Solve for x
    x = 64,794,311,749.07/277,885.40
  6. Step 6: Final answer
    x = 233,169.19

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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.