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Finding the Fourth Proportional to 477,851.08, 716,776.62 and 122,865.34

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Solution

The fourth proportional to 477,851.08, 716,776.62 and 122,865.34 is: 184,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,851.08 : 716,776.62 = 122,865.34 : x
  2. Step 2: Convert to fraction form
    477,851.08/716,776.62 = 122,865.34/x
  3. Step 3: Cross multiply
    477,851.08x = 716,776.62 × 122,865.34
  4. Step 4: Simplify right side
    477,851.08x = 88,067,003,120.35
  5. Step 5: Solve for x
    x = 88,067,003,120.35/477,851.08
  6. Step 6: Final answer
    x = 184,298.01

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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.