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Finding the Fourth Proportional to 453,774.75, 626,209.16 and 252,566.43

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Solution

The fourth proportional to 453,774.75, 626,209.16 and 252,566.43 is: 348,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,774.75 : 626,209.16 = 252,566.43 : x
  2. Step 2: Convert to fraction form
    453,774.75/626,209.16 = 252,566.43/x
  3. Step 3: Cross multiply
    453,774.75x = 626,209.16 × 252,566.43
  4. Step 4: Simplify right side
    453,774.75x = 158,159,410,711.67
  5. Step 5: Solve for x
    x = 158,159,410,711.67/453,774.75
  6. Step 6: Final answer
    x = 348,541.67

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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.