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Finding the Fourth Proportional to 477,928.56, 716,891 and 178,484.52

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Solution

The fourth proportional to 477,928.56, 716,891 and 178,484.52 is: 267,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,928.56 : 716,891 = 178,484.52 : x
  2. Step 2: Convert to fraction form
    477,928.56/716,891 = 178,484.52/x
  3. Step 3: Cross multiply
    477,928.56x = 716,891 × 178,484.52
  4. Step 4: Simplify right side
    477,928.56x = 127,953,946,027.32
  5. Step 5: Solve for x
    x = 127,953,946,027.32/477,928.56
  6. Step 6: Final answer
    x = 267,726.09

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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.