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Finding the Fourth Proportional to 294,699.80, 442,049.70 and 254,610.20

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Solution

The fourth proportional to 294,699.80, 442,049.70 and 254,610.20 is: 381,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,699.80 : 442,049.70 = 254,610.20 : x
  2. Step 2: Convert to fraction form
    294,699.80/442,049.70 = 254,610.20/x
  3. Step 3: Cross multiply
    294,699.80x = 442,049.70 × 254,610.20
  4. Step 4: Simplify right side
    294,699.80x = 112,550,362,526.94
  5. Step 5: Solve for x
    x = 112,550,362,526.94/294,699.80
  6. Step 6: Final answer
    x = 381,915.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.