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Finding the Fourth Proportional to 456,967.22, 630,614.68 and 255,763.22

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Solution

The fourth proportional to 456,967.22, 630,614.68 and 255,763.22 is: 352,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,967.22 : 630,614.68 = 255,763.22 : x
  2. Step 2: Convert to fraction form
    456,967.22/630,614.68 = 255,763.22/x
  3. Step 3: Cross multiply
    456,967.22x = 630,614.68 × 255,763.22
  4. Step 4: Simplify right side
    456,967.22x = 161,288,037,343.59
  5. Step 5: Solve for x
    x = 161,288,037,343.59/456,967.22
  6. Step 6: Final answer
    x = 352,953.19

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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.