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Finding the Fourth Proportional to 316,131.75, 474,353.33 and 147,627.59

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Solution

The fourth proportional to 316,131.75, 474,353.33 and 147,627.59 is: 221,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,131.75 : 474,353.33 = 147,627.59 : x
  2. Step 2: Convert to fraction form
    316,131.75/474,353.33 = 147,627.59/x
  3. Step 3: Cross multiply
    316,131.75x = 474,353.33 × 147,627.59
  4. Step 4: Simplify right side
    316,131.75x = 70,027,638,178.24
  5. Step 5: Solve for x
    x = 70,027,638,178.24/316,131.75
  6. Step 6: Final answer
    x = 221,514.09

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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.