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Finding the Fourth Proportional to 477,505.37, 658,943.52 and 262,645.38

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Solution

The fourth proportional to 477,505.37, 658,943.52 and 262,645.38 is: 362,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,505.37 : 658,943.52 = 262,645.38 : x
  2. Step 2: Convert to fraction form
    477,505.37/658,943.52 = 262,645.38/x
  3. Step 3: Cross multiply
    477,505.37x = 658,943.52 × 262,645.38
  4. Step 4: Simplify right side
    477,505.37x = 173,068,471,208.94
  5. Step 5: Solve for x
    x = 173,068,471,208.94/477,505.37
  6. Step 6: Final answer
    x = 362,442.99

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1.5x scale

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.