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Finding the Fourth Proportional to 293,333.60, 440,000.40 and 193,606.40

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Solution

The fourth proportional to 293,333.60, 440,000.40 and 193,606.40 is: 290,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,333.60 : 440,000.40 = 193,606.40 : x
  2. Step 2: Convert to fraction form
    293,333.60/440,000.40 = 193,606.40/x
  3. Step 3: Cross multiply
    293,333.60x = 440,000.40 × 193,606.40
  4. Step 4: Simplify right side
    293,333.60x = 85,186,893,442.56
  5. Step 5: Solve for x
    x = 85,186,893,442.56/293,333.60
  6. Step 6: Final answer
    x = 290,409.60

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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.