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Finding the Fourth Proportional to 255,554.30, 352,425.74 and 201,967.34

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Solution

The fourth proportional to 255,554.30, 352,425.74 and 201,967.34 is: 278,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,554.30 : 352,425.74 = 201,967.34 : x
  2. Step 2: Convert to fraction form
    255,554.30/352,425.74 = 201,967.34/x
  3. Step 3: Cross multiply
    255,554.30x = 352,425.74 × 201,967.34
  4. Step 4: Simplify right side
    255,554.30x = 71,178,486,483.37
  5. Step 5: Solve for x
    x = 71,178,486,483.37/255,554.30
  6. Step 6: Final answer
    x = 278,525.88

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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.