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Finding the Fourth Proportional to 477,491.65, 658,938.82 and 262,648.06

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Solution

The fourth proportional to 477,491.65, 658,938.82 and 262,648.06 is: 362,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,491.65 : 658,938.82 = 262,648.06 : x
  2. Step 2: Convert to fraction form
    477,491.65/658,938.82 = 262,648.06/x
  3. Step 3: Cross multiply
    477,491.65x = 658,938.82 × 262,648.06
  4. Step 4: Simplify right side
    477,491.65x = 173,069,001,418.45
  5. Step 5: Solve for x
    x = 173,069,001,418.45/477,491.65
  6. Step 6: Final answer
    x = 362,454.51

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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.