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Finding the Fourth Proportional to 464,466.51, 640,370.28 and 300,834.18

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Solution

The fourth proportional to 464,466.51, 640,370.28 and 300,834.18 is: 414,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,466.51 : 640,370.28 = 300,834.18 : x
  2. Step 2: Convert to fraction form
    464,466.51/640,370.28 = 300,834.18/x
  3. Step 3: Cross multiply
    464,466.51x = 640,370.28 × 300,834.18
  4. Step 4: Simplify right side
    464,466.51x = 192,645,268,080.17
  5. Step 5: Solve for x
    x = 192,645,268,080.17/464,466.51
  6. Step 6: Final answer
    x = 414,766.76

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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.