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Finding the Fourth Proportional to 456,069.06, 629,599.77 and 286,396.74

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Solution

The fourth proportional to 456,069.06, 629,599.77 and 286,396.74 is: 395,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,069.06 : 629,599.77 = 286,396.74 : x
  2. Step 2: Convert to fraction form
    456,069.06/629,599.77 = 286,396.74/x
  3. Step 3: Cross multiply
    456,069.06x = 629,599.77 × 286,396.74
  4. Step 4: Simplify right side
    456,069.06x = 180,315,321,632.75
  5. Step 5: Solve for x
    x = 180,315,321,632.75/456,069.06
  6. Step 6: Final answer
    x = 395,368.46

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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.