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Finding the Fourth Proportional to 530,160.80, 794,978.42 and 188,553.02

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Solution

The fourth proportional to 530,160.80, 794,978.42 and 188,553.02 is: 282,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,160.80 : 794,978.42 = 188,553.02 : x
  2. Step 2: Convert to fraction form
    530,160.80/794,978.42 = 188,553.02/x
  3. Step 3: Cross multiply
    530,160.80x = 794,978.42 × 188,553.02
  4. Step 4: Simplify right side
    530,160.80x = 149,895,581,925.83
  5. Step 5: Solve for x
    x = 149,895,581,925.83/530,160.80
  6. Step 6: Final answer
    x = 282,736.07

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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.