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Finding the Fourth Proportional to 295,670.51, 443,520.04 and 82,438.01

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Solution

The fourth proportional to 295,670.51, 443,520.04 and 82,438.01 is: 123,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,670.51 : 443,520.04 = 82,438.01 : x
  2. Step 2: Convert to fraction form
    295,670.51/443,520.04 = 82,438.01/x
  3. Step 3: Cross multiply
    295,670.51x = 443,520.04 × 82,438.01
  4. Step 4: Simplify right side
    295,670.51x = 36,562,909,492.72
  5. Step 5: Solve for x
    x = 36,562,909,492.72/295,670.51
  6. Step 6: Final answer
    x = 123,661.00

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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.