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Finding the Fourth Proportional to 477,608.95, 659,076.42 and 262,743.49

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Solution

The fourth proportional to 477,608.95, 659,076.42 and 262,743.49 is: 362,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,608.95 : 659,076.42 = 262,743.49 : x
  2. Step 2: Convert to fraction form
    477,608.95/659,076.42 = 262,743.49/x
  3. Step 3: Cross multiply
    477,608.95x = 659,076.42 × 262,743.49
  4. Step 4: Simplify right side
    477,608.95x = 173,168,038,767.51
  5. Step 5: Solve for x
    x = 173,168,038,767.51/477,608.95
  6. Step 6: Final answer
    x = 362,572.85

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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.