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Finding the Fourth Proportional to 468,041.22, 645,896.16 and 253,180.62

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Solution

The fourth proportional to 468,041.22, 645,896.16 and 253,180.62 is: 349,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,041.22 : 645,896.16 = 253,180.62 : x
  2. Step 2: Convert to fraction form
    468,041.22/645,896.16 = 253,180.62/x
  3. Step 3: Cross multiply
    468,041.22x = 645,896.16 × 253,180.62
  4. Step 4: Simplify right side
    468,041.22x = 163,528,390,244.42
  5. Step 5: Solve for x
    x = 163,528,390,244.42/468,041.22
  6. Step 6: Final answer
    x = 349,388.86

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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.