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Finding the Fourth Proportional to 555,625.80, 833,438.70 and 181,686.60

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Solution

The fourth proportional to 555,625.80, 833,438.70 and 181,686.60 is: 272,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,625.80 : 833,438.70 = 181,686.60 : x
  2. Step 2: Convert to fraction form
    555,625.80/833,438.70 = 181,686.60/x
  3. Step 3: Cross multiply
    555,625.80x = 833,438.70 × 181,686.60
  4. Step 4: Simplify right side
    555,625.80x = 151,424,643,711.42
  5. Step 5: Solve for x
    x = 151,424,643,711.42/555,625.80
  6. Step 6: Final answer
    x = 272,529.90

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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.