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Finding the Fourth Proportional to 456,879.08, 630,485.17 and 252,925.54

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Solution

The fourth proportional to 456,879.08, 630,485.17 and 252,925.54 is: 349,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,879.08 : 630,485.17 = 252,925.54 : x
  2. Step 2: Convert to fraction form
    456,879.08/630,485.17 = 252,925.54/x
  3. Step 3: Cross multiply
    456,879.08x = 630,485.17 × 252,925.54
  4. Step 4: Simplify right side
    456,879.08x = 159,465,799,875.72
  5. Step 5: Solve for x
    x = 159,465,799,875.72/456,879.08
  6. Step 6: Final answer
    x = 349,032.83

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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.