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Finding the Fourth Proportional to 460,060.81, 635,415.31 and 306,832.76

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Solution

The fourth proportional to 460,060.81, 635,415.31 and 306,832.76 is: 423,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,060.81 : 635,415.31 = 306,832.76 : x
  2. Step 2: Convert to fraction form
    460,060.81/635,415.31 = 306,832.76/x
  3. Step 3: Cross multiply
    460,060.81x = 635,415.31 × 306,832.76
  4. Step 4: Simplify right side
    460,060.81x = 194,966,232,039.86
  5. Step 5: Solve for x
    x = 194,966,232,039.86/460,060.81
  6. Step 6: Final answer
    x = 423,783.61

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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.