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Finding the Fourth Proportional to 493,338.48, 680,807.12 and 266,984

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Solution

The fourth proportional to 493,338.48, 680,807.12 and 266,984 is: 368,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,338.48 : 680,807.12 = 266,984 : x
  2. Step 2: Convert to fraction form
    493,338.48/680,807.12 = 266,984/x
  3. Step 3: Cross multiply
    493,338.48x = 680,807.12 × 266,984
  4. Step 4: Simplify right side
    493,338.48x = 181,764,608,126.08
  5. Step 5: Solve for x
    x = 181,764,608,126.08/493,338.48
  6. Step 6: Final answer
    x = 368,437.93

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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.