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Finding the Fourth Proportional to 460,476.96, 635,289.66 and 279,058.02

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Solution

The fourth proportional to 460,476.96, 635,289.66 and 279,058.02 is: 384,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,476.96 : 635,289.66 = 279,058.02 : x
  2. Step 2: Convert to fraction form
    460,476.96/635,289.66 = 279,058.02/x
  3. Step 3: Cross multiply
    460,476.96x = 635,289.66 × 279,058.02
  4. Step 4: Simplify right side
    460,476.96x = 177,282,674,646.07
  5. Step 5: Solve for x
    x = 177,282,674,646.07/460,476.96
  6. Step 6: Final answer
    x = 384,997.93

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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.