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Finding the Fourth Proportional to 477,223.69, 658,500.10 and 280,873.41

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Solution

The fourth proportional to 477,223.69, 658,500.10 and 280,873.41 is: 387,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,223.69 : 658,500.10 = 280,873.41 : x
  2. Step 2: Convert to fraction form
    477,223.69/658,500.10 = 280,873.41/x
  3. Step 3: Cross multiply
    477,223.69x = 658,500.10 × 280,873.41
  4. Step 4: Simplify right side
    477,223.69x = 184,955,168,572.34
  5. Step 5: Solve for x
    x = 184,955,168,572.34/477,223.69
  6. Step 6: Final answer
    x = 387,564.94

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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.