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Finding the Fourth Proportional to 477,604.22, 716,432.04 and 122,621.31

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Solution

The fourth proportional to 477,604.22, 716,432.04 and 122,621.31 is: 183,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,604.22 : 716,432.04 = 122,621.31 : x
  2. Step 2: Convert to fraction form
    477,604.22/716,432.04 = 122,621.31/x
  3. Step 3: Cross multiply
    477,604.22x = 716,432.04 × 122,621.31
  4. Step 4: Simplify right side
    477,604.22x = 87,849,835,270.77
  5. Step 5: Solve for x
    x = 87,849,835,270.77/477,604.22
  6. Step 6: Final answer
    x = 183,938.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.