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Finding the Fourth Proportional to 625,148.22, 936,697.14 and 265,031.31

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Solution

The fourth proportional to 625,148.22, 936,697.14 and 265,031.31 is: 397,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,148.22 : 936,697.14 = 265,031.31 : x
  2. Step 2: Convert to fraction form
    625,148.22/936,697.14 = 265,031.31/x
  3. Step 3: Cross multiply
    625,148.22x = 936,697.14 × 265,031.31
  4. Step 4: Simplify right side
    625,148.22x = 248,254,070,087.45
  5. Step 5: Solve for x
    x = 248,254,070,087.45/625,148.22
  6. Step 6: Final answer
    x = 397,112.34

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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.