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Finding the Fourth Proportional to 822,879.74, 1,234,000.50 and 283,033.37

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Solution

The fourth proportional to 822,879.74, 1,234,000.50 and 283,033.37 is: 424,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,879.74 : 1,234,000.50 = 283,033.37 : x
  2. Step 2: Convert to fraction form
    822,879.74/1,234,000.50 = 283,033.37/x
  3. Step 3: Cross multiply
    822,879.74x = 1,234,000.50 × 283,033.37
  4. Step 4: Simplify right side
    822,879.74x = 349,263,320,096.69
  5. Step 5: Solve for x
    x = 349,263,320,096.69/822,879.74
  6. Step 6: Final answer
    x = 424,440.30

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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.