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Finding the Fourth Proportional to 356,041.44, 534,431.21 and 238,533.93

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Solution

The fourth proportional to 356,041.44, 534,431.21 and 238,533.93 is: 358,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,041.44 : 534,431.21 = 238,533.93 : x
  2. Step 2: Convert to fraction form
    356,041.44/534,431.21 = 238,533.93/x
  3. Step 3: Cross multiply
    356,041.44x = 534,431.21 × 238,533.93
  4. Step 4: Simplify right side
    356,041.44x = 127,479,976,835.96
  5. Step 5: Solve for x
    x = 127,479,976,835.96/356,041.44
  6. Step 6: Final answer
    x = 358,048.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.