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Finding the Fourth Proportional to 477,730.80, 716,596.25 and 122,744.81

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Solution

The fourth proportional to 477,730.80, 716,596.25 and 122,744.81 is: 184,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,730.80 : 716,596.25 = 122,744.81 : x
  2. Step 2: Convert to fraction form
    477,730.80/716,596.25 = 122,744.81/x
  3. Step 3: Cross multiply
    477,730.80x = 716,596.25 × 122,744.81
  4. Step 4: Simplify right side
    477,730.80x = 87,958,466,356.26
  5. Step 5: Solve for x
    x = 87,958,466,356.26/477,730.80
  6. Step 6: Final answer
    x = 184,117.22

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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.