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Finding the Fourth Proportional to 477,518.46, 658,961.72 and 262,658.51

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Solution

The fourth proportional to 477,518.46, 658,961.72 and 262,658.51 is: 362,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,518.46 : 658,961.72 = 262,658.51 : x
  2. Step 2: Convert to fraction form
    477,518.46/658,961.72 = 262,658.51/x
  3. Step 3: Cross multiply
    477,518.46x = 658,961.72 × 262,658.51
  4. Step 4: Simplify right side
    477,518.46x = 173,081,898,914.14
  5. Step 5: Solve for x
    x = 173,081,898,914.14/477,518.46
  6. Step 6: Final answer
    x = 362,461.17

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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.