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Finding the Fourth Proportional to 374,148.36, 516,494.64 and 238,368.48

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Solution

The fourth proportional to 374,148.36, 516,494.64 and 238,368.48 is: 329,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,148.36 : 516,494.64 = 238,368.48 : x
  2. Step 2: Convert to fraction form
    374,148.36/516,494.64 = 238,368.48/x
  3. Step 3: Cross multiply
    374,148.36x = 516,494.64 × 238,368.48
  4. Step 4: Simplify right side
    374,148.36x = 123,116,042,264.95
  5. Step 5: Solve for x
    x = 123,116,042,264.95/374,148.36
  6. Step 6: Final answer
    x = 329,056.75

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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.