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Finding the Fourth Proportional to 477,124.35, 658,424.22 and 262,259.80

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Solution

The fourth proportional to 477,124.35, 658,424.22 and 262,259.80 is: 361,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,124.35 : 658,424.22 = 262,259.80 : x
  2. Step 2: Convert to fraction form
    477,124.35/658,424.22 = 262,259.80/x
  3. Step 3: Cross multiply
    477,124.35x = 658,424.22 × 262,259.80
  4. Step 4: Simplify right side
    477,124.35x = 172,678,200,960.24
  5. Step 5: Solve for x
    x = 172,678,200,960.24/477,124.35
  6. Step 6: Final answer
    x = 361,914.46

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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.