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Finding the Fourth Proportional to 568,486.86, 852,280.47 and 213,461.34

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Solution

The fourth proportional to 568,486.86, 852,280.47 and 213,461.34 is: 320,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,486.86 : 852,280.47 = 213,461.34 : x
  2. Step 2: Convert to fraction form
    568,486.86/852,280.47 = 213,461.34/x
  3. Step 3: Cross multiply
    568,486.86x = 852,280.47 × 213,461.34
  4. Step 4: Simplify right side
    568,486.86x = 181,928,931,182.03
  5. Step 5: Solve for x
    x = 181,928,931,182.03/568,486.86
  6. Step 6: Final answer
    x = 320,023.11

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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.