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Finding the Fourth Proportional to 438,680.98, 605,276.01 and 254,810.29

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Solution

The fourth proportional to 438,680.98, 605,276.01 and 254,810.29 is: 351,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,680.98 : 605,276.01 = 254,810.29 : x
  2. Step 2: Convert to fraction form
    438,680.98/605,276.01 = 254,810.29/x
  3. Step 3: Cross multiply
    438,680.98x = 605,276.01 × 254,810.29
  4. Step 4: Simplify right side
    438,680.98x = 154,230,554,364.09
  5. Step 5: Solve for x
    x = 154,230,554,364.09/438,680.98
  6. Step 6: Final answer
    x = 351,577.94

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1.5x scale

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.