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Finding the Fourth Proportional to 520,051.10, 779,493.45 and 267,233.90

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Solution

The fourth proportional to 520,051.10, 779,493.45 and 267,233.90 is: 400,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,051.10 : 779,493.45 = 267,233.90 : x
  2. Step 2: Convert to fraction form
    520,051.10/779,493.45 = 267,233.90/x
  3. Step 3: Cross multiply
    520,051.10x = 779,493.45 × 267,233.90
  4. Step 4: Simplify right side
    520,051.10x = 208,307,074,667.96
  5. Step 5: Solve for x
    x = 208,307,074,667.96/520,051.10
  6. Step 6: Final answer
    x = 400,551.17

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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.