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Finding the Fourth Proportional to 646,068.48, 962,472.74 and 616,922.29

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Solution

The fourth proportional to 646,068.48, 962,472.74 and 616,922.29 is: 919,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,068.48 : 962,472.74 = 616,922.29 : x
  2. Step 2: Convert to fraction form
    646,068.48/962,472.74 = 616,922.29/x
  3. Step 3: Cross multiply
    646,068.48x = 962,472.74 × 616,922.29
  4. Step 4: Simplify right side
    646,068.48x = 593,770,886,823.38
  5. Step 5: Solve for x
    x = 593,770,886,823.38/646,068.48
  6. Step 6: Final answer
    x = 919,052.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.