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Finding the Fourth Proportional to 477,347.78, 658,756.85 and 262,504.19

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Solution

The fourth proportional to 477,347.78, 658,756.85 and 262,504.19 is: 362,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,347.78 : 658,756.85 = 262,504.19 : x
  2. Step 2: Convert to fraction form
    477,347.78/658,756.85 = 262,504.19/x
  3. Step 3: Cross multiply
    477,347.78x = 658,756.85 × 262,504.19
  4. Step 4: Simplify right side
    477,347.78x = 172,926,428,709.90
  5. Step 5: Solve for x
    x = 172,926,428,709.90/477,347.78
  6. Step 6: Final answer
    x = 362,265.08

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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.