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Finding the Fourth Proportional to 461,802.70, 637,393.98 and 270,877.60

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Solution

The fourth proportional to 461,802.70, 637,393.98 and 270,877.60 is: 373,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,802.70 : 637,393.98 = 270,877.60 : x
  2. Step 2: Convert to fraction form
    461,802.70/637,393.98 = 270,877.60/x
  3. Step 3: Cross multiply
    461,802.70x = 637,393.98 × 270,877.60
  4. Step 4: Simplify right side
    461,802.70x = 172,655,751,845.70
  5. Step 5: Solve for x
    x = 172,655,751,845.70/461,802.70
  6. Step 6: Final answer
    x = 373,873.41

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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.