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Finding the Fourth Proportional to 468,556.54, 646,605.08 and 253,695.94

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Solution

The fourth proportional to 468,556.54, 646,605.08 and 253,695.94 is: 350,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,556.54 : 646,605.08 = 253,695.94 : x
  2. Step 2: Convert to fraction form
    468,556.54/646,605.08 = 253,695.94/x
  3. Step 3: Cross multiply
    468,556.54x = 646,605.08 × 253,695.94
  4. Step 4: Simplify right side
    468,556.54x = 164,041,083,579.38
  5. Step 5: Solve for x
    x = 164,041,083,579.38/468,556.54
  6. Step 6: Final answer
    x = 350,098.80

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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.