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Finding the Fourth Proportional to 550,646.16, 759,611.88 and 359,771.28

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Solution

The fourth proportional to 550,646.16, 759,611.88 and 359,771.28 is: 496,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,646.16 : 759,611.88 = 359,771.28 : x
  2. Step 2: Convert to fraction form
    550,646.16/759,611.88 = 359,771.28/x
  3. Step 3: Cross multiply
    550,646.16x = 759,611.88 × 359,771.28
  4. Step 4: Simplify right side
    550,646.16x = 273,286,538,370.81
  5. Step 5: Solve for x
    x = 273,286,538,370.81/550,646.16
  6. Step 6: Final answer
    x = 496,301.54

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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.