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Finding the Fourth Proportional to 281,601.65, 423,601.14 and 255,265.22

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Solution

The fourth proportional to 281,601.65, 423,601.14 and 255,265.22 is: 383,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,601.65 : 423,601.14 = 255,265.22 : x
  2. Step 2: Convert to fraction form
    281,601.65/423,601.14 = 255,265.22/x
  3. Step 3: Cross multiply
    281,601.65x = 423,601.14 × 255,265.22
  4. Step 4: Simplify right side
    281,601.65x = 108,130,638,194.35
  5. Step 5: Solve for x
    x = 108,130,638,194.35/281,601.65
  6. Step 6: Final answer
    x = 383,984.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.