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Finding the Fourth Proportional to 460,490.72, 635,523.71 and 256,574.84

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Solution

The fourth proportional to 460,490.72, 635,523.71 and 256,574.84 is: 354,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,490.72 : 635,523.71 = 256,574.84 : x
  2. Step 2: Convert to fraction form
    460,490.72/635,523.71 = 256,574.84/x
  3. Step 3: Cross multiply
    460,490.72x = 635,523.71 × 256,574.84
  4. Step 4: Simplify right side
    460,490.72x = 163,059,389,748.96
  5. Step 5: Solve for x
    x = 163,059,389,748.96/460,490.72
  6. Step 6: Final answer
    x = 354,099.19

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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.