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Finding the Fourth Proportional to 477,404.74, 658,805.40 and 262,544.78

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Solution

The fourth proportional to 477,404.74, 658,805.40 and 262,544.78 is: 362,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,404.74 : 658,805.40 = 262,544.78 : x
  2. Step 2: Convert to fraction form
    477,404.74/658,805.40 = 262,544.78/x
  3. Step 3: Cross multiply
    477,404.74x = 658,805.40 × 262,544.78
  4. Step 4: Simplify right side
    477,404.74x = 172,965,918,805.81
  5. Step 5: Solve for x
    x = 172,965,918,805.81/477,404.74
  6. Step 6: Final answer
    x = 362,304.57

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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.