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Finding the Fourth Proportional to 460,936.59, 635,866.40 and 308,012.32

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Solution

The fourth proportional to 460,936.59, 635,866.40 and 308,012.32 is: 424,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,936.59 : 635,866.40 = 308,012.32 : x
  2. Step 2: Convert to fraction form
    460,936.59/635,866.40 = 308,012.32/x
  3. Step 3: Cross multiply
    460,936.59x = 635,866.40 × 308,012.32
  4. Step 4: Simplify right side
    460,936.59x = 195,854,685,074.05
  5. Step 5: Solve for x
    x = 195,854,685,074.05/460,936.59
  6. Step 6: Final answer
    x = 424,905.92

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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.