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Finding the Fourth Proportional to 550,646.66, 759,612.57 and 359,771.78

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Solution

The fourth proportional to 550,646.66, 759,612.57 and 359,771.78 is: 496,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,646.66 : 759,612.57 = 359,771.78 : x
  2. Step 2: Convert to fraction form
    550,646.66/759,612.57 = 359,771.78/x
  3. Step 3: Cross multiply
    550,646.66x = 759,612.57 × 359,771.78
  4. Step 4: Simplify right side
    550,646.66x = 273,287,166,419.28
  5. Step 5: Solve for x
    x = 273,287,166,419.28/550,646.66
  6. Step 6: Final answer
    x = 496,302.23

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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.