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Finding the Fourth Proportional to 441,030.40, 659,990.40 and 301,062.40

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Solution

The fourth proportional to 441,030.40, 659,990.40 and 301,062.40 is: 450,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,030.40 : 659,990.40 = 301,062.40 : x
  2. Step 2: Convert to fraction form
    441,030.40/659,990.40 = 301,062.40/x
  3. Step 3: Cross multiply
    441,030.40x = 659,990.40 × 301,062.40
  4. Step 4: Simplify right side
    441,030.40x = 198,698,293,800.96
  5. Step 5: Solve for x
    x = 198,698,293,800.96/441,030.40
  6. Step 6: Final answer
    x = 450,531.97

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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.