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Finding the Fourth Proportional to 557,292.60, 769,186.26 and 366,323.76

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Solution

The fourth proportional to 557,292.60, 769,186.26 and 366,323.76 is: 505,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,292.60 : 769,186.26 = 366,323.76 : x
  2. Step 2: Convert to fraction form
    557,292.60/769,186.26 = 366,323.76/x
  3. Step 3: Cross multiply
    557,292.60x = 769,186.26 × 366,323.76
  4. Step 4: Simplify right side
    557,292.60x = 281,771,202,903.54
  5. Step 5: Solve for x
    x = 281,771,202,903.54/557,292.60
  6. Step 6: Final answer
    x = 505,607.29

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Double scale
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Similar ratio
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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.