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Finding the Fourth Proportional to 468,622.92, 646,702.70 and 253,763.00

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Solution

The fourth proportional to 468,622.92, 646,702.70 and 253,763.00 is: 350,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,622.92 : 646,702.70 = 253,763.00 : x
  2. Step 2: Convert to fraction form
    468,622.92/646,702.70 = 253,763.00/x
  3. Step 3: Cross multiply
    468,622.92x = 646,702.70 × 253,763.00
  4. Step 4: Simplify right side
    468,622.92x = 164,109,214,026.59
  5. Step 5: Solve for x
    x = 164,109,214,026.59/468,622.92
  6. Step 6: Final answer
    x = 350,194.60

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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.