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Finding the Fourth Proportional to 460,262.51, 635,160.25 and 256,315.85

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Solution

The fourth proportional to 460,262.51, 635,160.25 and 256,315.85 is: 353,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,262.51 : 635,160.25 = 256,315.85 : x
  2. Step 2: Convert to fraction form
    460,262.51/635,160.25 = 256,315.85/x
  3. Step 3: Cross multiply
    460,262.51x = 635,160.25 × 256,315.85
  4. Step 4: Simplify right side
    460,262.51x = 162,801,639,364.96
  5. Step 5: Solve for x
    x = 162,801,639,364.96/460,262.51
  6. Step 6: Final answer
    x = 353,714.75

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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.