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Finding the Fourth Proportional to 468,523.40, 646,554.46 and 253,661.72

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Solution

The fourth proportional to 468,523.40, 646,554.46 and 253,661.72 is: 350,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,523.40 : 646,554.46 = 253,661.72 : x
  2. Step 2: Convert to fraction form
    468,523.40/646,554.46 = 253,661.72/x
  3. Step 3: Cross multiply
    468,523.40x = 646,554.46 × 253,661.72
  4. Step 4: Simplify right side
    468,523.40x = 164,006,116,397.27
  5. Step 5: Solve for x
    x = 164,006,116,397.27/468,523.40
  6. Step 6: Final answer
    x = 350,048.93

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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.