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Finding the Fourth Proportional to 529,006.40, 793,164.53 and 191,983.22

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Solution

The fourth proportional to 529,006.40, 793,164.53 and 191,983.22 is: 287,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,006.40 : 793,164.53 = 191,983.22 : x
  2. Step 2: Convert to fraction form
    529,006.40/793,164.53 = 191,983.22/x
  3. Step 3: Cross multiply
    529,006.40x = 793,164.53 × 191,983.22
  4. Step 4: Simplify right side
    529,006.40x = 152,274,275,533.45
  5. Step 5: Solve for x
    x = 152,274,275,533.45/529,006.40
  6. Step 6: Final answer
    x = 287,849.59

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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.