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Finding the Fourth Proportional to 625,089.30, 937,271.88 and 550,359.51

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Solution

The fourth proportional to 625,089.30, 937,271.88 and 550,359.51 is: 825,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,089.30 : 937,271.88 = 550,359.51 : x
  2. Step 2: Convert to fraction form
    625,089.30/937,271.88 = 550,359.51/x
  3. Step 3: Cross multiply
    625,089.30x = 937,271.88 × 550,359.51
  4. Step 4: Simplify right side
    625,089.30x = 515,836,492,613.58
  5. Step 5: Solve for x
    x = 515,836,492,613.58/625,089.30
  6. Step 6: Final answer
    x = 825,220.48

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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.