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Finding the Fourth Proportional to 524,191.10, 785,134.11 and 433,202.60

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Solution

The fourth proportional to 524,191.10, 785,134.11 and 433,202.60 is: 648,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,191.10 : 785,134.11 = 433,202.60 : x
  2. Step 2: Convert to fraction form
    524,191.10/785,134.11 = 433,202.60/x
  3. Step 3: Cross multiply
    524,191.10x = 785,134.11 × 433,202.60
  4. Step 4: Simplify right side
    524,191.10x = 340,122,137,800.69
  5. Step 5: Solve for x
    x = 340,122,137,800.69/524,191.10
  6. Step 6: Final answer
    x = 648,851.42

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1.5x scale

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.