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Finding the Fourth Proportional to 216,703.48, 298,427.07 and 178,627.84

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Solution

The fourth proportional to 216,703.48, 298,427.07 and 178,627.84 is: 245,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,703.48 : 298,427.07 = 178,627.84 : x
  2. Step 2: Convert to fraction form
    216,703.48/298,427.07 = 178,627.84/x
  3. Step 3: Cross multiply
    216,703.48x = 298,427.07 × 178,627.84
  4. Step 4: Simplify right side
    216,703.48x = 53,307,382,911.63
  5. Step 5: Solve for x
    x = 53,307,382,911.63/216,703.48
  6. Step 6: Final answer
    x = 245,992.28

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1.5x scale

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.