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Finding the Fourth Proportional to 446,313.66, 615,912.12 and 245,109.66

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Solution

The fourth proportional to 446,313.66, 615,912.12 and 245,109.66 is: 338,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,313.66 : 615,912.12 = 245,109.66 : x
  2. Step 2: Convert to fraction form
    446,313.66/615,912.12 = 245,109.66/x
  3. Step 3: Cross multiply
    446,313.66x = 615,912.12 × 245,109.66
  4. Step 4: Simplify right side
    446,313.66x = 150,966,010,323.08
  5. Step 5: Solve for x
    x = 150,966,010,323.08/446,313.66
  6. Step 6: Final answer
    x = 338,250.93

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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.