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Finding the Fourth Proportional to 488,362.67, 732,594.73 and 133,376.63

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Solution

The fourth proportional to 488,362.67, 732,594.73 and 133,376.63 is: 200,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,362.67 : 732,594.73 = 133,376.63 : x
  2. Step 2: Convert to fraction form
    488,362.67/732,594.73 = 133,376.63/x
  3. Step 3: Cross multiply
    488,362.67x = 732,594.73 × 133,376.63
  4. Step 4: Simplify right side
    488,362.67x = 97,711,012,496.83
  5. Step 5: Solve for x
    x = 97,711,012,496.83/488,362.67
  6. Step 6: Final answer
    x = 200,078.79

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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.