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Finding the Fourth Proportional to 265,428.60, 372,649.80 and 265,428.60

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Solution

The fourth proportional to 265,428.60, 372,649.80 and 265,428.60 is: 372,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,428.60 : 372,649.80 = 265,428.60 : x
  2. Step 2: Convert to fraction form
    265,428.60/372,649.80 = 265,428.60/x
  3. Step 3: Cross multiply
    265,428.60x = 372,649.80 × 265,428.60
  4. Step 4: Simplify right side
    265,428.60x = 98,911,914,704.28
  5. Step 5: Solve for x
    x = 98,911,914,704.28/265,428.60
  6. Step 6: Final answer
    x = 372,649.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.