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Finding the Fourth Proportional to 557,283.68, 769,173.84 and 366,314.72

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Solution

The fourth proportional to 557,283.68, 769,173.84 and 366,314.72 is: 505,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,283.68 : 769,173.84 = 366,314.72 : x
  2. Step 2: Convert to fraction form
    557,283.68/769,173.84 = 366,314.72/x
  3. Step 3: Cross multiply
    557,283.68x = 769,173.84 × 366,314.72
  4. Step 4: Simplify right side
    557,283.68x = 281,759,699,830.93
  5. Step 5: Solve for x
    x = 281,759,699,830.93/557,283.68
  6. Step 6: Final answer
    x = 505,594.74

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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.