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Finding the Fourth Proportional to 893,133.60, 1,339,311.60 and 293,863.20

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Solution

The fourth proportional to 893,133.60, 1,339,311.60 and 293,863.20 is: 440,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,133.60 : 1,339,311.60 = 293,863.20 : x
  2. Step 2: Convert to fraction form
    893,133.60/1,339,311.60 = 293,863.20/x
  3. Step 3: Cross multiply
    893,133.60x = 1,339,311.60 × 293,863.20
  4. Step 4: Simplify right side
    893,133.60x = 393,574,392,573.12
  5. Step 5: Solve for x
    x = 393,574,392,573.12/893,133.60
  6. Step 6: Final answer
    x = 440,666.88

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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.