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Finding the Fourth Proportional to 340,050.36, 509,484.42 and 238,633.32

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Solution

The fourth proportional to 340,050.36, 509,484.42 and 238,633.32 is: 357,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,050.36 : 509,484.42 = 238,633.32 : x
  2. Step 2: Convert to fraction form
    340,050.36/509,484.42 = 238,633.32/x
  3. Step 3: Cross multiply
    340,050.36x = 509,484.42 × 238,633.32
  4. Step 4: Simplify right side
    340,050.36x = 121,579,958,632.87
  5. Step 5: Solve for x
    x = 121,579,958,632.87/340,050.36
  6. Step 6: Final answer
    x = 357,535.16

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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.