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Finding the Fourth Proportional to 460,675.03, 635,722.90 and 256,721.46

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Solution

The fourth proportional to 460,675.03, 635,722.90 and 256,721.46 is: 354,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,675.03 : 635,722.90 = 256,721.46 : x
  2. Step 2: Convert to fraction form
    460,675.03/635,722.90 = 256,721.46/x
  3. Step 3: Cross multiply
    460,675.03x = 635,722.90 × 256,721.46
  4. Step 4: Simplify right side
    460,675.03x = 163,203,711,043.43
  5. Step 5: Solve for x
    x = 163,203,711,043.43/460,675.03
  6. Step 6: Final answer
    x = 354,270.80

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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.