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Finding the Fourth Proportional to 263,494.38, 363,376.62 and 243,923.16

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Solution

The fourth proportional to 263,494.38, 363,376.62 and 243,923.16 is: 336,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,494.38 : 363,376.62 = 243,923.16 : x
  2. Step 2: Convert to fraction form
    263,494.38/363,376.62 = 243,923.16/x
  3. Step 3: Cross multiply
    263,494.38x = 363,376.62 × 243,923.16
  4. Step 4: Simplify right side
    263,494.38x = 88,635,973,420.52
  5. Step 5: Solve for x
    x = 88,635,973,420.52/263,494.38
  6. Step 6: Final answer
    x = 336,386.58

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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.