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Finding the Fourth Proportional to 571,576.02, 788,593.50 and 329,826.66

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Solution

The fourth proportional to 571,576.02, 788,593.50 and 329,826.66 is: 455,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,576.02 : 788,593.50 = 329,826.66 : x
  2. Step 2: Convert to fraction form
    571,576.02/788,593.50 = 329,826.66/x
  3. Step 3: Cross multiply
    571,576.02x = 788,593.50 × 329,826.66
  4. Step 4: Simplify right side
    571,576.02x = 260,099,160,202.71
  5. Step 5: Solve for x
    x = 260,099,160,202.71/571,576.02
  6. Step 6: Final answer
    x = 455,056.11

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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.