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Finding the Fourth Proportional to 554,880, 765,652.26 and 336,975.36

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Solution

The fourth proportional to 554,880, 765,652.26 and 336,975.36 is: 464,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,880 : 765,652.26 = 336,975.36 : x
  2. Step 2: Convert to fraction form
    554,880/765,652.26 = 336,975.36/x
  3. Step 3: Cross multiply
    554,880x = 765,652.26 × 336,975.36
  4. Step 4: Simplify right side
    554,880x = 258,005,945,948.31
  5. Step 5: Solve for x
    x = 258,005,945,948.31/554,880
  6. Step 6: Final answer
    x = 464,976.11

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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.