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Finding the Fourth Proportional to 381,498.60, 573,630.30 and 373,204.20

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Solution

The fourth proportional to 381,498.60, 573,630.30 and 373,204.20 is: 561,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,498.60 : 573,630.30 = 373,204.20 : x
  2. Step 2: Convert to fraction form
    381,498.60/573,630.30 = 373,204.20/x
  3. Step 3: Cross multiply
    381,498.60x = 573,630.30 × 373,204.20
  4. Step 4: Simplify right side
    381,498.60x = 214,081,237,207.26
  5. Step 5: Solve for x
    x = 214,081,237,207.26/381,498.60
  6. Step 6: Final answer
    x = 561,158.64

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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.