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Finding the Fourth Proportional to 468,483.46, 646,507.41 and 253,623.52

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Solution

The fourth proportional to 468,483.46, 646,507.41 and 253,623.52 is: 350,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,483.46 : 646,507.41 = 253,623.52 : x
  2. Step 2: Convert to fraction form
    468,483.46/646,507.41 = 253,623.52/x
  3. Step 3: Cross multiply
    468,483.46x = 646,507.41 × 253,623.52
  4. Step 4: Simplify right side
    468,483.46x = 163,969,485,030.28
  5. Step 5: Solve for x
    x = 163,969,485,030.28/468,483.46
  6. Step 6: Final answer
    x = 350,000.58

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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.