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Finding the Fourth Proportional to 625,071.58, 937,621.13 and 432,756.52

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Solution

The fourth proportional to 625,071.58, 937,621.13 and 432,756.52 is: 649,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,071.58 : 937,621.13 = 432,756.52 : x
  2. Step 2: Convert to fraction form
    625,071.58/937,621.13 = 432,756.52/x
  3. Step 3: Cross multiply
    625,071.58x = 937,621.13 × 432,756.52
  4. Step 4: Simplify right side
    625,071.58x = 405,761,657,297.27
  5. Step 5: Solve for x
    x = 405,761,657,297.27/625,071.58
  6. Step 6: Final answer
    x = 649,144.31

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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.