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Finding the Fourth Proportional to 471,095.08, 650,052.29 and 318,465.27

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Solution

The fourth proportional to 471,095.08, 650,052.29 and 318,465.27 is: 439,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,095.08 : 650,052.29 = 318,465.27 : x
  2. Step 2: Convert to fraction form
    471,095.08/650,052.29 = 318,465.27/x
  3. Step 3: Cross multiply
    471,095.08x = 650,052.29 × 318,465.27
  4. Step 4: Simplify right side
    471,095.08x = 207,019,078,845.13
  5. Step 5: Solve for x
    x = 207,019,078,845.13/471,095.08
  6. Step 6: Final answer
    x = 439,442.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.