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Finding the Fourth Proportional to 635,529.33, 876,664.37 and 380,732.90

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Solution

The fourth proportional to 635,529.33, 876,664.37 and 380,732.90 is: 525,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,529.33 : 876,664.37 = 380,732.90 : x
  2. Step 2: Convert to fraction form
    635,529.33/876,664.37 = 380,732.90/x
  3. Step 3: Cross multiply
    635,529.33x = 876,664.37 × 380,732.90
  4. Step 4: Simplify right side
    635,529.33x = 333,774,961,629.79
  5. Step 5: Solve for x
    x = 333,774,961,629.79/635,529.33
  6. Step 6: Final answer
    x = 525,192.07

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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.