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Finding the Fourth Proportional to 237,333.60, 356,000.40 and 221,666.40

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Solution

The fourth proportional to 237,333.60, 356,000.40 and 221,666.40 is: 332,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,333.60 : 356,000.40 = 221,666.40 : x
  2. Step 2: Convert to fraction form
    237,333.60/356,000.40 = 221,666.40/x
  3. Step 3: Cross multiply
    237,333.60x = 356,000.40 × 221,666.40
  4. Step 4: Simplify right side
    237,333.60x = 78,913,327,066.56
  5. Step 5: Solve for x
    x = 78,913,327,066.56/237,333.60
  6. Step 6: Final answer
    x = 332,499.60

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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.