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Finding the Fourth Proportional to 530,274.15, 794,939.67 and 193,251.51

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Solution

The fourth proportional to 530,274.15, 794,939.67 and 193,251.51 is: 289,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,274.15 : 794,939.67 = 193,251.51 : x
  2. Step 2: Convert to fraction form
    530,274.15/794,939.67 = 193,251.51/x
  3. Step 3: Cross multiply
    530,274.15x = 794,939.67 × 193,251.51
  4. Step 4: Simplify right side
    530,274.15x = 153,623,291,586.40
  5. Step 5: Solve for x
    x = 153,623,291,586.40/530,274.15
  6. Step 6: Final answer
    x = 289,705.41

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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.