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Finding the Fourth Proportional to 529,666.20, 793,808.10 and 245,323.80

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Solution

The fourth proportional to 529,666.20, 793,808.10 and 245,323.80 is: 367,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,666.20 : 793,808.10 = 245,323.80 : x
  2. Step 2: Convert to fraction form
    529,666.20/793,808.10 = 245,323.80/x
  3. Step 3: Cross multiply
    529,666.20x = 793,808.10 × 245,323.80
  4. Step 4: Simplify right side
    529,666.20x = 194,740,019,562.78
  5. Step 5: Solve for x
    x = 194,740,019,562.78/529,666.20
  6. Step 6: Final answer
    x = 367,665.56

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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.