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Finding the Fourth Proportional to 310,909.60, 466,249.20 and 100,554.40

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Solution

The fourth proportional to 310,909.60, 466,249.20 and 100,554.40 is: 150,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,909.60 : 466,249.20 = 100,554.40 : x
  2. Step 2: Convert to fraction form
    310,909.60/466,249.20 = 100,554.40/x
  3. Step 3: Cross multiply
    310,909.60x = 466,249.20 × 100,554.40
  4. Step 4: Simplify right side
    310,909.60x = 46,883,408,556.48
  5. Step 5: Solve for x
    x = 46,883,408,556.48/310,909.60
  6. Step 6: Final answer
    x = 150,794.34

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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.