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Finding the Fourth Proportional to 532,386.54, 734,709.49 and 302,976.73

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Solution

The fourth proportional to 532,386.54, 734,709.49 and 302,976.73 is: 418,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,386.54 : 734,709.49 = 302,976.73 : x
  2. Step 2: Convert to fraction form
    532,386.54/734,709.49 = 302,976.73/x
  3. Step 3: Cross multiply
    532,386.54x = 734,709.49 × 302,976.73
  4. Step 4: Simplify right side
    532,386.54x = 222,599,878,792.02
  5. Step 5: Solve for x
    x = 222,599,878,792.02/532,386.54
  6. Step 6: Final answer
    x = 418,117.03

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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.