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Finding the Fourth Proportional to 314,670.44, 434,046.82 and 187,250.92

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Solution

The fourth proportional to 314,670.44, 434,046.82 and 187,250.92 is: 258,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,670.44 : 434,046.82 = 187,250.92 : x
  2. Step 2: Convert to fraction form
    314,670.44/434,046.82 = 187,250.92/x
  3. Step 3: Cross multiply
    314,670.44x = 434,046.82 × 187,250.92
  4. Step 4: Simplify right side
    314,670.44x = 81,275,666,368.07
  5. Step 5: Solve for x
    x = 81,275,666,368.07/314,670.44
  6. Step 6: Final answer
    x = 258,288.22

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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.