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Finding the Fourth Proportional to 405,089.82, 559,071.45 and 244,026.18

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Solution

The fourth proportional to 405,089.82, 559,071.45 and 244,026.18 is: 336,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,089.82 : 559,071.45 = 244,026.18 : x
  2. Step 2: Convert to fraction form
    405,089.82/559,071.45 = 244,026.18/x
  3. Step 3: Cross multiply
    405,089.82x = 559,071.45 × 244,026.18
  4. Step 4: Simplify right side
    405,089.82x = 136,428,070,290.56
  5. Step 5: Solve for x
    x = 136,428,070,290.56/405,089.82
  6. Step 6: Final answer
    x = 336,784.74

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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.