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Finding the Fourth Proportional to 304,861.40, 457,292.10 and 94,563.80

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Solution

The fourth proportional to 304,861.40, 457,292.10 and 94,563.80 is: 141,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,861.40 : 457,292.10 = 94,563.80 : x
  2. Step 2: Convert to fraction form
    304,861.40/457,292.10 = 94,563.80/x
  3. Step 3: Cross multiply
    304,861.40x = 457,292.10 × 94,563.80
  4. Step 4: Simplify right side
    304,861.40x = 43,243,278,685.98
  5. Step 5: Solve for x
    x = 43,243,278,685.98/304,861.40
  6. Step 6: Final answer
    x = 141,845.70

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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.