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Finding the Fourth Proportional to 522,460.82, 720,328.47 and 338,374.14

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Solution

The fourth proportional to 522,460.82, 720,328.47 and 338,374.14 is: 466,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,460.82 : 720,328.47 = 338,374.14 : x
  2. Step 2: Convert to fraction form
    522,460.82/720,328.47 = 338,374.14/x
  3. Step 3: Cross multiply
    522,460.82x = 720,328.47 × 338,374.14
  4. Step 4: Simplify right side
    522,460.82x = 243,740,526,553.77
  5. Step 5: Solve for x
    x = 243,740,526,553.77/522,460.82
  6. Step 6: Final answer
    x = 466,524.03

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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.