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Finding the Fourth Proportional to 556,613.25, 768,119.00 and 301,973.55

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Solution

The fourth proportional to 556,613.25, 768,119.00 and 301,973.55 is: 416,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,613.25 : 768,119.00 = 301,973.55 : x
  2. Step 2: Convert to fraction form
    556,613.25/768,119.00 = 301,973.55/x
  3. Step 3: Cross multiply
    556,613.25x = 768,119.00 × 301,973.55
  4. Step 4: Simplify right side
    556,613.25x = 231,951,619,742.58
  5. Step 5: Solve for x
    x = 231,951,619,742.58/556,613.25
  6. Step 6: Final answer
    x = 416,719.54

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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.