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Finding the Fourth Proportional to 572,546.89, 790,211.89 and 330,969.51

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Solution

The fourth proportional to 572,546.89, 790,211.89 and 330,969.51 is: 456,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,546.89 : 790,211.89 = 330,969.51 : x
  2. Step 2: Convert to fraction form
    572,546.89/790,211.89 = 330,969.51/x
  3. Step 3: Cross multiply
    572,546.89x = 790,211.89 × 330,969.51
  4. Step 4: Simplify right side
    572,546.89x = 261,536,042,443.19
  5. Step 5: Solve for x
    x = 261,536,042,443.19/572,546.89
  6. Step 6: Final answer
    x = 456,794.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.