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Finding the Fourth Proportional to 456,924.84, 630,556.20 and 255,720.84

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Solution

The fourth proportional to 456,924.84, 630,556.20 and 255,720.84 is: 352,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,924.84 : 630,556.20 = 255,720.84 : x
  2. Step 2: Convert to fraction form
    456,924.84/630,556.20 = 255,720.84/x
  3. Step 3: Cross multiply
    456,924.84x = 630,556.20 × 255,720.84
  4. Step 4: Simplify right side
    456,924.84x = 161,246,361,131.21
  5. Step 5: Solve for x
    x = 161,246,361,131.21/456,924.84
  6. Step 6: Final answer
    x = 352,894.71

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1.5x scale

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.