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Finding the Fourth Proportional to 371,365.28, 556,544.56 and 271,054.88

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Solution

The fourth proportional to 371,365.28, 556,544.56 and 271,054.88 is: 406,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,365.28 : 556,544.56 = 271,054.88 : x
  2. Step 2: Convert to fraction form
    371,365.28/556,544.56 = 271,054.88/x
  3. Step 3: Cross multiply
    371,365.28x = 556,544.56 × 271,054.88
  4. Step 4: Simplify right side
    371,365.28x = 150,854,118,925.45
  5. Step 5: Solve for x
    x = 150,854,118,925.45/371,365.28
  6. Step 6: Final answer
    x = 406,214.92

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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.