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Finding the Fourth Proportional to 458,637.86, 632,899.08 and 254,701.86

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Solution

The fourth proportional to 458,637.86, 632,899.08 and 254,701.86 is: 351,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,637.86 : 632,899.08 = 254,701.86 : x
  2. Step 2: Convert to fraction form
    458,637.86/632,899.08 = 254,701.86/x
  3. Step 3: Cross multiply
    458,637.86x = 632,899.08 × 254,701.86
  4. Step 4: Simplify right side
    458,637.86x = 161,200,572,868.29
  5. Step 5: Solve for x
    x = 161,200,572,868.29/458,637.86
  6. Step 6: Final answer
    x = 351,476.81

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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.