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Finding the Fourth Proportional to 297,686.60, 446,529.90 and 203,208.20

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Solution

The fourth proportional to 297,686.60, 446,529.90 and 203,208.20 is: 304,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,686.60 : 446,529.90 = 203,208.20 : x
  2. Step 2: Convert to fraction form
    297,686.60/446,529.90 = 203,208.20/x
  3. Step 3: Cross multiply
    297,686.60x = 446,529.90 × 203,208.20
  4. Step 4: Simplify right side
    297,686.60x = 90,738,537,225.18
  5. Step 5: Solve for x
    x = 90,738,537,225.18/297,686.60
  6. Step 6: Final answer
    x = 304,812.30

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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.