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Finding the Fourth Proportional to 465,015.84, 641,677.53 and 261,020.00

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Solution

The fourth proportional to 465,015.84, 641,677.53 and 261,020.00 is: 360,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,015.84 : 641,677.53 = 261,020.00 : x
  2. Step 2: Convert to fraction form
    465,015.84/641,677.53 = 261,020.00/x
  3. Step 3: Cross multiply
    465,015.84x = 641,677.53 × 261,020.00
  4. Step 4: Simplify right side
    465,015.84x = 167,490,669,995.38
  5. Step 5: Solve for x
    x = 167,490,669,995.38/465,015.84
  6. Step 6: Final answer
    x = 360,182.72

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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.