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Finding the Fourth Proportional to 263,458.48, 363,573.80 and 142,599.72

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Solution

The fourth proportional to 263,458.48, 363,573.80 and 142,599.72 is: 196,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,458.48 : 363,573.80 = 142,599.72 : x
  2. Step 2: Convert to fraction form
    263,458.48/363,573.80 = 142,599.72/x
  3. Step 3: Cross multiply
    263,458.48x = 363,573.80 × 142,599.72
  4. Step 4: Simplify right side
    263,458.48x = 51,845,522,079.34
  5. Step 5: Solve for x
    x = 51,845,522,079.34/263,458.48
  6. Step 6: Final answer
    x = 196,788.21

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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.