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Finding the Fourth Proportional to 460,556.33, 635,614.53 and 256,640.45

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Solution

The fourth proportional to 460,556.33, 635,614.53 and 256,640.45 is: 354,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,556.33 : 635,614.53 = 256,640.45 : x
  2. Step 2: Convert to fraction form
    460,556.33/635,614.53 = 256,640.45/x
  3. Step 3: Cross multiply
    460,556.33x = 635,614.53 × 256,640.45
  4. Step 4: Simplify right side
    460,556.33x = 163,124,395,827.67
  5. Step 5: Solve for x
    x = 163,124,395,827.67/460,556.33
  6. Step 6: Final answer
    x = 354,189.89

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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.