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Finding the Fourth Proportional to 562,513.60, 776,270.83 and 304,390.55

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Solution

The fourth proportional to 562,513.60, 776,270.83 and 304,390.55 is: 420,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,513.60 : 776,270.83 = 304,390.55 : x
  2. Step 2: Convert to fraction form
    562,513.60/776,270.83 = 304,390.55/x
  3. Step 3: Cross multiply
    562,513.60x = 776,270.83 × 304,390.55
  4. Step 4: Simplify right side
    562,513.60x = 236,289,504,892.66
  5. Step 5: Solve for x
    x = 236,289,504,892.66/562,513.60
  6. Step 6: Final answer
    x = 420,060.07

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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.