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Finding the Fourth Proportional to 620,051.26, 929,714.90 and 240,528.52

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Solution

The fourth proportional to 620,051.26, 929,714.90 and 240,528.52 is: 360,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,051.26 : 929,714.90 = 240,528.52 : x
  2. Step 2: Convert to fraction form
    620,051.26/929,714.90 = 240,528.52/x
  3. Step 3: Cross multiply
    620,051.26x = 929,714.90 × 240,528.52
  4. Step 4: Simplify right side
    620,051.26x = 223,622,948,918.95
  5. Step 5: Solve for x
    x = 223,622,948,918.95/620,051.26
  6. Step 6: Final answer
    x = 360,652.36

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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.