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Finding the Fourth Proportional to 535,551.16, 738,866.62 and 351,888.54

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Solution

The fourth proportional to 535,551.16, 738,866.62 and 351,888.54 is: 485,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,551.16 : 738,866.62 = 351,888.54 : x
  2. Step 2: Convert to fraction form
    535,551.16/738,866.62 = 351,888.54/x
  3. Step 3: Cross multiply
    535,551.16x = 738,866.62 × 351,888.54
  4. Step 4: Simplify right side
    535,551.16x = 259,998,696,166.54
  5. Step 5: Solve for x
    x = 259,998,696,166.54/535,551.16
  6. Step 6: Final answer
    x = 485,478.73

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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.