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Finding the Fourth Proportional to 832,608, 1,148,996.88 and 450,634.68

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Solution

The fourth proportional to 832,608, 1,148,996.88 and 450,634.68 is: 621,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,608 : 1,148,996.88 = 450,634.68 : x
  2. Step 2: Convert to fraction form
    832,608/1,148,996.88 = 450,634.68/x
  3. Step 3: Cross multiply
    832,608x = 1,148,996.88 × 450,634.68
  4. Step 4: Simplify right side
    832,608x = 517,777,841,339.80
  5. Step 5: Solve for x
    x = 517,777,841,339.80/832,608
  6. Step 6: Final answer
    x = 621,874.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.