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Finding the Fourth Proportional to 270,497.34, 373,244.31 and 155,780.82

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Solution

The fourth proportional to 270,497.34, 373,244.31 and 155,780.82 is: 214,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,497.34 : 373,244.31 = 155,780.82 : x
  2. Step 2: Convert to fraction form
    270,497.34/373,244.31 = 155,780.82/x
  3. Step 3: Cross multiply
    270,497.34x = 373,244.31 × 155,780.82
  4. Step 4: Simplify right side
    270,497.34x = 58,144,304,672.13
  5. Step 5: Solve for x
    x = 58,144,304,672.13/270,497.34
  6. Step 6: Final answer
    x = 214,953.33

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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.