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Finding the Fourth Proportional to 586,325.48, 809,168.28 and 328,225.33

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Solution

The fourth proportional to 586,325.48, 809,168.28 and 328,225.33 is: 452,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,325.48 : 809,168.28 = 328,225.33 : x
  2. Step 2: Convert to fraction form
    586,325.48/809,168.28 = 328,225.33/x
  3. Step 3: Cross multiply
    586,325.48x = 809,168.28 × 328,225.33
  4. Step 4: Simplify right side
    586,325.48x = 265,589,521,682.69
  5. Step 5: Solve for x
    x = 265,589,521,682.69/586,325.48
  6. Step 6: Final answer
    x = 452,972.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.