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Finding the Fourth Proportional to 630,155.48, 944,956.74 and 235,895

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Solution

The fourth proportional to 630,155.48, 944,956.74 and 235,895 is: 353,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,155.48 : 944,956.74 = 235,895 : x
  2. Step 2: Convert to fraction form
    630,155.48/944,956.74 = 235,895/x
  3. Step 3: Cross multiply
    630,155.48x = 944,956.74 × 235,895
  4. Step 4: Simplify right side
    630,155.48x = 222,910,570,182.30
  5. Step 5: Solve for x
    x = 222,910,570,182.30/630,155.48
  6. Step 6: Final answer
    x = 353,739.00

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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.