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Finding the Fourth Proportional to 443,509.08, 612,042.78 and 239,560.00

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Solution

The fourth proportional to 443,509.08, 612,042.78 and 239,560.00 is: 330,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,509.08 : 612,042.78 = 239,560.00 : x
  2. Step 2: Convert to fraction form
    443,509.08/612,042.78 = 239,560.00/x
  3. Step 3: Cross multiply
    443,509.08x = 612,042.78 × 239,560.00
  4. Step 4: Simplify right side
    443,509.08x = 146,620,969,063.79
  5. Step 5: Solve for x
    x = 146,620,969,063.79/443,509.08
  6. Step 6: Final answer
    x = 330,592.93

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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.