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Finding the Fourth Proportional to 283,415.94, 391,085.06 and 174,502.98

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Solution

The fourth proportional to 283,415.94, 391,085.06 and 174,502.98 is: 240,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,415.94 : 391,085.06 = 174,502.98 : x
  2. Step 2: Convert to fraction form
    283,415.94/391,085.06 = 174,502.98/x
  3. Step 3: Cross multiply
    283,415.94x = 391,085.06 × 174,502.98
  4. Step 4: Simplify right side
    283,415.94x = 68,245,507,530.96
  5. Step 5: Solve for x
    x = 68,245,507,530.96/283,415.94
  6. Step 6: Final answer
    x = 240,796.29

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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.