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Finding the Fourth Proportional to 538,093.79, 742,574.45 and 296,377.23

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Solution

The fourth proportional to 538,093.79, 742,574.45 and 296,377.23 is: 409,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,093.79 : 742,574.45 = 296,377.23 : x
  2. Step 2: Convert to fraction form
    538,093.79/742,574.45 = 296,377.23/x
  3. Step 3: Cross multiply
    538,093.79x = 742,574.45 × 296,377.23
  4. Step 4: Simplify right side
    538,093.79x = 220,082,158,559.77
  5. Step 5: Solve for x
    x = 220,082,158,559.77/538,093.79
  6. Step 6: Final answer
    x = 409,003.34

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