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Finding the Fourth Proportional to 270,315.63, 373,029.30 and 155,596.55

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Solution

The fourth proportional to 270,315.63, 373,029.30 and 155,596.55 is: 214,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,315.63 : 373,029.30 = 155,596.55 : x
  2. Step 2: Convert to fraction form
    270,315.63/373,029.30 = 155,596.55/x
  3. Step 3: Cross multiply
    270,315.63x = 373,029.30 × 155,596.55
  4. Step 4: Simplify right side
    270,315.63x = 58,042,070,263.77
  5. Step 5: Solve for x
    x = 58,042,070,263.77/270,315.63
  6. Step 6: Final answer
    x = 214,719.62

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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.