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Finding the Fourth Proportional to 263,700.36, 363,888.36 and 147,406.32

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Solution

The fourth proportional to 263,700.36, 363,888.36 and 147,406.32 is: 203,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,700.36 : 363,888.36 = 147,406.32 : x
  2. Step 2: Convert to fraction form
    263,700.36/363,888.36 = 147,406.32/x
  3. Step 3: Cross multiply
    263,700.36x = 363,888.36 × 147,406.32
  4. Step 4: Simplify right side
    263,700.36x = 53,639,444,038.44
  5. Step 5: Solve for x
    x = 53,639,444,038.44/263,700.36
  6. Step 6: Final answer
    x = 203,410.58

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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.