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Finding the Fourth Proportional to 571,254.21, 856,740.33 and 234,390.60

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Solution

The fourth proportional to 571,254.21, 856,740.33 and 234,390.60 is: 351,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,254.21 : 856,740.33 = 234,390.60 : x
  2. Step 2: Convert to fraction form
    571,254.21/856,740.33 = 234,390.60/x
  3. Step 3: Cross multiply
    571,254.21x = 856,740.33 × 234,390.60
  4. Step 4: Simplify right side
    571,254.21x = 200,811,879,992.90
  5. Step 5: Solve for x
    x = 200,811,879,992.90/571,254.21
  6. Step 6: Final answer
    x = 351,528.05

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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.