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Finding the Fourth Proportional to 313,517.58, 432,359.55 and 241,783.98

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Solution

The fourth proportional to 313,517.58, 432,359.55 and 241,783.98 is: 333,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,517.58 : 432,359.55 = 241,783.98 : x
  2. Step 2: Convert to fraction form
    313,517.58/432,359.55 = 241,783.98/x
  3. Step 3: Cross multiply
    313,517.58x = 432,359.55 × 241,783.98
  4. Step 4: Simplify right side
    313,517.58x = 104,537,612,790.01
  5. Step 5: Solve for x
    x = 104,537,612,790.01/313,517.58
  6. Step 6: Final answer
    x = 333,434.61

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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.