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Finding the Fourth Proportional to 297,970.60, 446,955.90 and 203,492.20

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Solution

The fourth proportional to 297,970.60, 446,955.90 and 203,492.20 is: 305,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,970.60 : 446,955.90 = 203,492.20 : x
  2. Step 2: Convert to fraction form
    297,970.60/446,955.90 = 203,492.20/x
  3. Step 3: Cross multiply
    297,970.60x = 446,955.90 × 203,492.20
  4. Step 4: Simplify right side
    297,970.60x = 90,952,039,393.98
  5. Step 5: Solve for x
    x = 90,952,039,393.98/297,970.60
  6. Step 6: Final answer
    x = 305,238.30

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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.