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Finding the Fourth Proportional to 468,518.38, 646,554.45 and 253,658.41

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Solution

The fourth proportional to 468,518.38, 646,554.45 and 253,658.41 is: 350,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,518.38 : 646,554.45 = 253,658.41 : x
  2. Step 2: Convert to fraction form
    468,518.38/646,554.45 = 253,658.41/x
  3. Step 3: Cross multiply
    468,518.38x = 646,554.45 × 253,658.41
  4. Step 4: Simplify right side
    468,518.38x = 164,003,973,765.43
  5. Step 5: Solve for x
    x = 164,003,973,765.43/468,518.38
  6. Step 6: Final answer
    x = 350,048.11

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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.