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Finding the Fourth Proportional to 502,158.04, 692,978.06 and 275,803.54

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Solution

The fourth proportional to 502,158.04, 692,978.06 and 275,803.54 is: 380,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,158.04 : 692,978.06 = 275,803.54 : x
  2. Step 2: Convert to fraction form
    502,158.04/692,978.06 = 275,803.54/x
  3. Step 3: Cross multiply
    502,158.04x = 692,978.06 × 275,803.54
  4. Step 4: Simplify right side
    502,158.04x = 191,125,802,090.33
  5. Step 5: Solve for x
    x = 191,125,802,090.33/502,158.04
  6. Step 6: Final answer
    x = 380,608.87

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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.