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Finding the Fourth Proportional to 534,698.91, 802,008 and 155,622.60

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Solution

The fourth proportional to 534,698.91, 802,008 and 155,622.60 is: 233,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,698.91 : 802,008 = 155,622.60 : x
  2. Step 2: Convert to fraction form
    534,698.91/802,008 = 155,622.60/x
  3. Step 3: Cross multiply
    534,698.91x = 802,008 × 155,622.60
  4. Step 4: Simplify right side
    534,698.91x = 124,810,570,180.80
  5. Step 5: Solve for x
    x = 124,810,570,180.80/534,698.91
  6. Step 6: Final answer
    x = 233,422.15

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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.