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Finding the Fourth Proportional to 295,283.40, 441,758.70 and 256,273.80

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Solution

The fourth proportional to 295,283.40, 441,758.70 and 256,273.80 is: 383,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,283.40 : 441,758.70 = 256,273.80 : x
  2. Step 2: Convert to fraction form
    295,283.40/441,758.70 = 256,273.80/x
  3. Step 3: Cross multiply
    295,283.40x = 441,758.70 × 256,273.80
  4. Step 4: Simplify right side
    295,283.40x = 113,211,180,732.06
  5. Step 5: Solve for x
    x = 113,211,180,732.06/295,283.40
  6. Step 6: Final answer
    x = 383,398.39

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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.