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Finding the Fourth Proportional to 526,993.47, 790,492.08 and 127,634.51

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Solution

The fourth proportional to 526,993.47, 790,492.08 and 127,634.51 is: 191,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,993.47 : 790,492.08 = 127,634.51 : x
  2. Step 2: Convert to fraction form
    526,993.47/790,492.08 = 127,634.51/x
  3. Step 3: Cross multiply
    526,993.47x = 790,492.08 × 127,634.51
  4. Step 4: Simplify right side
    526,993.47x = 100,894,068,651.51
  5. Step 5: Solve for x
    x = 100,894,068,651.51/526,993.47
  6. Step 6: Final answer
    x = 191,452.22

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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.