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Finding the Fourth Proportional to 446,143.93, 615,613.64 and 255,120.41

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Solution

The fourth proportional to 446,143.93, 615,613.64 and 255,120.41 is: 352,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,143.93 : 615,613.64 = 255,120.41 : x
  2. Step 2: Convert to fraction form
    446,143.93/615,613.64 = 255,120.41/x
  3. Step 3: Cross multiply
    446,143.93x = 615,613.64 × 255,120.41
  4. Step 4: Simplify right side
    446,143.93x = 157,055,604,501.82
  5. Step 5: Solve for x
    x = 157,055,604,501.82/446,143.93
  6. Step 6: Final answer
    x = 352,029.01

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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.