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Finding the Fourth Proportional to 460,762.70, 635,858.85 and 256,807.94

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Solution

The fourth proportional to 460,762.70, 635,858.85 and 256,807.94 is: 354,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,762.70 : 635,858.85 = 256,807.94 : x
  2. Step 2: Convert to fraction form
    460,762.70/635,858.85 = 256,807.94/x
  3. Step 3: Cross multiply
    460,762.70x = 635,858.85 × 256,807.94
  4. Step 4: Simplify right side
    460,762.70x = 163,293,601,399.27
  5. Step 5: Solve for x
    x = 163,293,601,399.27/460,762.70
  6. Step 6: Final answer
    x = 354,398.48

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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.