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Finding the Fourth Proportional to 897,249, 1,345,866.55 and 223,325.80

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Solution

The fourth proportional to 897,249, 1,345,866.55 and 223,325.80 is: 334,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,249 : 1,345,866.55 = 223,325.80 : x
  2. Step 2: Convert to fraction form
    897,249/1,345,866.55 = 223,325.80/x
  3. Step 3: Cross multiply
    897,249x = 1,345,866.55 × 223,325.80
  4. Step 4: Simplify right side
    897,249x = 300,566,723,971.99
  5. Step 5: Solve for x
    x = 300,566,723,971.99/897,249
  6. Step 6: Final answer
    x = 334,986.97

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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.