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Finding the Fourth Proportional to 460,840.60, 635,963.16 and 256,904.47

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Solution

The fourth proportional to 460,840.60, 635,963.16 and 256,904.47 is: 354,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,840.60 : 635,963.16 = 256,904.47 : x
  2. Step 2: Convert to fraction form
    460,840.60/635,963.16 = 256,904.47/x
  3. Step 3: Cross multiply
    460,840.60x = 635,963.16 × 256,904.47
  4. Step 4: Simplify right side
    460,840.60x = 163,381,778,559.33
  5. Step 5: Solve for x
    x = 163,381,778,559.33/460,840.60
  6. Step 6: Final answer
    x = 354,529.91

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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.