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Finding the Fourth Proportional to 532,810.20, 797,903.10 and 251,999.40

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Solution

The fourth proportional to 532,810.20, 797,903.10 and 251,999.40 is: 377,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,810.20 : 797,903.10 = 251,999.40 : x
  2. Step 2: Convert to fraction form
    532,810.20/797,903.10 = 251,999.40/x
  3. Step 3: Cross multiply
    532,810.20x = 797,903.10 × 251,999.40
  4. Step 4: Simplify right side
    532,810.20x = 201,071,102,458.14
  5. Step 5: Solve for x
    x = 201,071,102,458.14/532,810.20
  6. Step 6: Final answer
    x = 377,378.48

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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.