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Finding the Fourth Proportional to 477,444.25, 658,878.56 and 262,587.90

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Solution

The fourth proportional to 477,444.25, 658,878.56 and 262,587.90 is: 362,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,444.25 : 658,878.56 = 262,587.90 : x
  2. Step 2: Convert to fraction form
    477,444.25/658,878.56 = 262,587.90/x
  3. Step 3: Cross multiply
    477,444.25x = 658,878.56 × 262,587.90
  4. Step 4: Simplify right side
    477,444.25x = 173,013,540,306.51
  5. Step 5: Solve for x
    x = 173,013,540,306.51/477,444.25
  6. Step 6: Final answer
    x = 362,374.33

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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.