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Finding the Fourth Proportional to 317,450.88, 437,970.24 and 194,901.12

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Solution

The fourth proportional to 317,450.88, 437,970.24 and 194,901.12 is: 268,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,450.88 : 437,970.24 = 194,901.12 : x
  2. Step 2: Convert to fraction form
    317,450.88/437,970.24 = 194,901.12/x
  3. Step 3: Cross multiply
    317,450.88x = 437,970.24 × 194,901.12
  4. Step 4: Simplify right side
    317,450.88x = 85,360,890,302.67
  5. Step 5: Solve for x
    x = 85,360,890,302.67/317,450.88
  6. Step 6: Final answer
    x = 268,894.80

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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.