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Finding the Fourth Proportional to 579,449.80, 869,008.44 and 174,681.46

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Solution

The fourth proportional to 579,449.80, 869,008.44 and 174,681.46 is: 261,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,449.80 : 869,008.44 = 174,681.46 : x
  2. Step 2: Convert to fraction form
    579,449.80/869,008.44 = 174,681.46/x
  3. Step 3: Cross multiply
    579,449.80x = 869,008.44 × 174,681.46
  4. Step 4: Simplify right side
    579,449.80x = 151,799,658,706.48
  5. Step 5: Solve for x
    x = 151,799,658,706.48/579,449.80
  6. Step 6: Final answer
    x = 261,972.06

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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.