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Finding the Fourth Proportional to 446,090.69, 615,605.75 and 242,141.48

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Solution

The fourth proportional to 446,090.69, 615,605.75 and 242,141.48 is: 334,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,090.69 : 615,605.75 = 242,141.48 : x
  2. Step 2: Convert to fraction form
    446,090.69/615,605.75 = 242,141.48/x
  3. Step 3: Cross multiply
    446,090.69x = 615,605.75 × 242,141.48
  4. Step 4: Simplify right side
    446,090.69x = 149,063,686,190.80
  5. Step 5: Solve for x
    x = 149,063,686,190.80/446,090.69
  6. Step 6: Final answer
    x = 334,155.56

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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.