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Finding the Fourth Proportional to 647,054.70, 970,582.05 and 532,893.30

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Solution

The fourth proportional to 647,054.70, 970,582.05 and 532,893.30 is: 799,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,054.70 : 970,582.05 = 532,893.30 : x
  2. Step 2: Convert to fraction form
    647,054.70/970,582.05 = 532,893.30/x
  3. Step 3: Cross multiply
    647,054.70x = 970,582.05 × 532,893.30
  4. Step 4: Simplify right side
    647,054.70x = 517,216,671,545.27
  5. Step 5: Solve for x
    x = 517,216,671,545.27/647,054.70
  6. Step 6: Final answer
    x = 799,339.95

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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.