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Finding the Fourth Proportional to 445,750.80, 614,986.50 and 254,628.88

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Solution

The fourth proportional to 445,750.80, 614,986.50 and 254,628.88 is: 351,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,750.80 : 614,986.50 = 254,628.88 : x
  2. Step 2: Convert to fraction form
    445,750.80/614,986.50 = 254,628.88/x
  3. Step 3: Cross multiply
    445,750.80x = 614,986.50 × 254,628.88
  4. Step 4: Simplify right side
    445,750.80x = 156,593,323,710.12
  5. Step 5: Solve for x
    x = 156,593,323,710.12/445,750.80
  6. Step 6: Final answer
    x = 351,302.40

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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.