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Finding the Fourth Proportional to 248,383.52, 342,908.88 and 190,130.48

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Solution

The fourth proportional to 248,383.52, 342,908.88 and 190,130.48 is: 262,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,383.52 : 342,908.88 = 190,130.48 : x
  2. Step 2: Convert to fraction form
    248,383.52/342,908.88 = 190,130.48/x
  3. Step 3: Cross multiply
    248,383.52x = 342,908.88 × 190,130.48
  4. Step 4: Simplify right side
    248,383.52x = 65,197,429,950.66
  5. Step 5: Solve for x
    x = 65,197,429,950.66/248,383.52
  6. Step 6: Final answer
    x = 262,486.94

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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.