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Finding the Fourth Proportional to 443,476.98, 611,998.02 and 239,527.80

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Solution

The fourth proportional to 443,476.98, 611,998.02 and 239,527.80 is: 330,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,476.98 : 611,998.02 = 239,527.80 : x
  2. Step 2: Convert to fraction form
    443,476.98/611,998.02 = 239,527.80/x
  3. Step 3: Cross multiply
    443,476.98x = 611,998.02 × 239,527.80
  4. Step 4: Simplify right side
    443,476.98x = 146,590,539,334.96
  5. Step 5: Solve for x
    x = 146,590,539,334.96/443,476.98
  6. Step 6: Final answer
    x = 330,548.25

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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.