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Finding the Fourth Proportional to 477,808.35, 716,212.73 and 178,158.57

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Solution

The fourth proportional to 477,808.35, 716,212.73 and 178,158.57 is: 267,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,808.35 : 716,212.73 = 178,158.57 : x
  2. Step 2: Convert to fraction form
    477,808.35/716,212.73 = 178,158.57/x
  3. Step 3: Cross multiply
    477,808.35x = 716,212.73 × 178,158.57
  4. Step 4: Simplify right side
    477,808.35x = 127,599,434,901.80
  5. Step 5: Solve for x
    x = 127,599,434,901.80/477,808.35
  6. Step 6: Final answer
    x = 267,051.50

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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.