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Finding the Fourth Proportional to 453,928, 626,440.08 and 252,724

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Solution

The fourth proportional to 453,928, 626,440.08 and 252,724 is: 348,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,928 : 626,440.08 = 252,724 : x
  2. Step 2: Convert to fraction form
    453,928/626,440.08 = 252,724/x
  3. Step 3: Cross multiply
    453,928x = 626,440.08 × 252,724
  4. Step 4: Simplify right side
    453,928x = 158,316,442,777.92
  5. Step 5: Solve for x
    x = 158,316,442,777.92/453,928
  6. Step 6: Final answer
    x = 348,769.94

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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.