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Finding the Fourth Proportional to 313,871.77, 433,124.65 and 170,630.56

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Solution

The fourth proportional to 313,871.77, 433,124.65 and 170,630.56 is: 235,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,871.77 : 433,124.65 = 170,630.56 : x
  2. Step 2: Convert to fraction form
    313,871.77/433,124.65 = 170,630.56/x
  3. Step 3: Cross multiply
    313,871.77x = 433,124.65 × 170,630.56
  4. Step 4: Simplify right side
    313,871.77x = 73,904,302,334.00
  5. Step 5: Solve for x
    x = 73,904,302,334.00/313,871.77
  6. Step 6: Final answer
    x = 235,460.18

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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.