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Finding the Fourth Proportional to 582,089, 873,133.70 and 261,866.80

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Solution

The fourth proportional to 582,089, 873,133.70 and 261,866.80 is: 392,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,089 : 873,133.70 = 261,866.80 : x
  2. Step 2: Convert to fraction form
    582,089/873,133.70 = 261,866.80/x
  3. Step 3: Cross multiply
    582,089x = 873,133.70 × 261,866.80
  4. Step 4: Simplify right side
    582,089x = 228,644,727,991.16
  5. Step 5: Solve for x
    x = 228,644,727,991.16/582,089
  6. Step 6: Final answer
    x = 392,800.29

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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.