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Finding the Fourth Proportional to 460,674.82, 635,722.65 and 256,721.27

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Solution

The fourth proportional to 460,674.82, 635,722.65 and 256,721.27 is: 354,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,674.82 : 635,722.65 = 256,721.27 : x
  2. Step 2: Convert to fraction form
    460,674.82/635,722.65 = 256,721.27/x
  3. Step 3: Cross multiply
    460,674.82x = 635,722.65 × 256,721.27
  4. Step 4: Simplify right side
    460,674.82x = 163,203,526,075.77
  5. Step 5: Solve for x
    x = 163,203,526,075.77/460,674.82
  6. Step 6: Final answer
    x = 354,270.56

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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.