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Finding the Fourth Proportional to 277,466.40, 415,616.40 and 230,810.40

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Solution

The fourth proportional to 277,466.40, 415,616.40 and 230,810.40 is: 345,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,466.40 : 415,616.40 = 230,810.40 : x
  2. Step 2: Convert to fraction form
    277,466.40/415,616.40 = 230,810.40/x
  3. Step 3: Cross multiply
    277,466.40x = 415,616.40 × 230,810.40
  4. Step 4: Simplify right side
    277,466.40x = 95,928,587,530.56
  5. Step 5: Solve for x
    x = 95,928,587,530.56/277,466.40
  6. Step 6: Final answer
    x = 345,730.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.