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Finding the Fourth Proportional to 609,582.06, 914,934.36 and 310,276.50

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Solution

The fourth proportional to 609,582.06, 914,934.36 and 310,276.50 is: 465,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,582.06 : 914,934.36 = 310,276.50 : x
  2. Step 2: Convert to fraction form
    609,582.06/914,934.36 = 310,276.50/x
  3. Step 3: Cross multiply
    609,582.06x = 914,934.36 × 310,276.50
  4. Step 4: Simplify right side
    609,582.06x = 283,882,630,950.54
  5. Step 5: Solve for x
    x = 283,882,630,950.54/609,582.06
  6. Step 6: Final answer
    x = 465,700.44

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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.