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Finding the Fourth Proportional to 622,504.80, 859,045.32 and 350,571.60

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Solution

The fourth proportional to 622,504.80, 859,045.32 and 350,571.60 is: 483,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,504.80 : 859,045.32 = 350,571.60 : x
  2. Step 2: Convert to fraction form
    622,504.80/859,045.32 = 350,571.60/x
  3. Step 3: Cross multiply
    622,504.80x = 859,045.32 × 350,571.60
  4. Step 4: Simplify right side
    622,504.80x = 301,156,892,304.91
  5. Step 5: Solve for x
    x = 301,156,892,304.91/622,504.80
  6. Step 6: Final answer
    x = 483,782.44

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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.