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Finding the Fourth Proportional to 495,608.40, 746,744.34 and 448,276.26

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Solution

The fourth proportional to 495,608.40, 746,744.34 and 448,276.26 is: 675,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,608.40 : 746,744.34 = 448,276.26 : x
  2. Step 2: Convert to fraction form
    495,608.40/746,744.34 = 448,276.26/x
  3. Step 3: Cross multiply
    495,608.40x = 746,744.34 × 448,276.26
  4. Step 4: Simplify right side
    495,608.40x = 334,747,759,911.37
  5. Step 5: Solve for x
    x = 334,747,759,911.37/495,608.40
  6. Step 6: Final answer
    x = 675,427.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.