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Finding the Fourth Proportional to 353,846.40, 530,769.60 and 204,547.20

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Solution

The fourth proportional to 353,846.40, 530,769.60 and 204,547.20 is: 306,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,846.40 : 530,769.60 = 204,547.20 : x
  2. Step 2: Convert to fraction form
    353,846.40/530,769.60 = 204,547.20/x
  3. Step 3: Cross multiply
    353,846.40x = 530,769.60 × 204,547.20
  4. Step 4: Simplify right side
    353,846.40x = 108,567,435,525.12
  5. Step 5: Solve for x
    x = 108,567,435,525.12/353,846.40
  6. Step 6: Final answer
    x = 306,820.80

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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.