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Finding the Fourth Proportional to 453,721.92, 626,125.60 and 252,513.60

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Solution

The fourth proportional to 453,721.92, 626,125.60 and 252,513.60 is: 348,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,721.92 : 626,125.60 = 252,513.60 : x
  2. Step 2: Convert to fraction form
    453,721.92/626,125.60 = 252,513.60/x
  3. Step 3: Cross multiply
    453,721.92x = 626,125.60 × 252,513.60
  4. Step 4: Simplify right side
    453,721.92x = 158,105,229,308.16
  5. Step 5: Solve for x
    x = 158,105,229,308.16/453,721.92
  6. Step 6: Final answer
    x = 348,462.84

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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.