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Finding the Fourth Proportional to 405,090.32, 559,072.14 and 244,026.68

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Solution

The fourth proportional to 405,090.32, 559,072.14 and 244,026.68 is: 336,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,090.32 : 559,072.14 = 244,026.68 : x
  2. Step 2: Convert to fraction form
    405,090.32/559,072.14 = 244,026.68/x
  3. Step 3: Cross multiply
    405,090.32x = 559,072.14 × 244,026.68
  4. Step 4: Simplify right side
    405,090.32x = 136,428,518,204.70
  5. Step 5: Solve for x
    x = 136,428,518,204.70/405,090.32
  6. Step 6: Final answer
    x = 336,785.43

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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.