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Finding the Fourth Proportional to 477,563.48, 659,039.12 and 262,719.88

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Solution

The fourth proportional to 477,563.48, 659,039.12 and 262,719.88 is: 362,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,563.48 : 659,039.12 = 262,719.88 : x
  2. Step 2: Convert to fraction form
    477,563.48/659,039.12 = 262,719.88/x
  3. Step 3: Cross multiply
    477,563.48x = 659,039.12 × 262,719.88
  4. Step 4: Simplify right side
    477,563.48x = 173,142,678,521.71
  5. Step 5: Solve for x
    x = 173,142,678,521.71/477,563.48
  6. Step 6: Final answer
    x = 362,554.27

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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.