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Finding the Fourth Proportional to 602,342.80, 903,184.14 and 277,778.56

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Solution

The fourth proportional to 602,342.80, 903,184.14 and 277,778.56 is: 416,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,342.80 : 903,184.14 = 277,778.56 : x
  2. Step 2: Convert to fraction form
    602,342.80/903,184.14 = 277,778.56/x
  3. Step 3: Cross multiply
    602,342.80x = 903,184.14 × 277,778.56
  4. Step 4: Simplify right side
    602,342.80x = 250,885,189,824.04
  5. Step 5: Solve for x
    x = 250,885,189,824.04/602,342.80
  6. Step 6: Final answer
    x = 416,515.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.