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Finding the Fourth Proportional to 453,828, 681,053.04 and 158,340

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Solution

The fourth proportional to 453,828, 681,053.04 and 158,340 is: 237,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,828 : 681,053.04 = 158,340 : x
  2. Step 2: Convert to fraction form
    453,828/681,053.04 = 158,340/x
  3. Step 3: Cross multiply
    453,828x = 681,053.04 × 158,340
  4. Step 4: Simplify right side
    453,828x = 107,837,938,353.60
  5. Step 5: Solve for x
    x = 107,837,938,353.60/453,828
  6. Step 6: Final answer
    x = 237,618.52

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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.