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Finding the Fourth Proportional to 374,872.20, 562,308.30 and 125,554.20

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Solution

The fourth proportional to 374,872.20, 562,308.30 and 125,554.20 is: 188,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,872.20 : 562,308.30 = 125,554.20 : x
  2. Step 2: Convert to fraction form
    374,872.20/562,308.30 = 125,554.20/x
  3. Step 3: Cross multiply
    374,872.20x = 562,308.30 × 125,554.20
  4. Step 4: Simplify right side
    374,872.20x = 70,600,168,759.86
  5. Step 5: Solve for x
    x = 70,600,168,759.86/374,872.20
  6. Step 6: Final answer
    x = 188,331.30

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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.