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Finding the Fourth Proportional to 573,676,508.70, 860,514,763.05 and 367,052,247.90

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Solution

The fourth proportional to 573,676,508.70, 860,514,763.05 and 367,052,247.90 is: 550,578,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,676,508.70 : 860,514,763.05 = 367,052,247.90 : x
  2. Step 2: Convert to fraction form
    573,676,508.70/860,514,763.05 = 367,052,247.90/x
  3. Step 3: Cross multiply
    573,676,508.70x = 860,514,763.05 × 367,052,247.90
  4. Step 4: Simplify right side
    573,676,508.70x = 315,853,878,128,638,336
  5. Step 5: Solve for x
    x = 315,853,878,128,638,336/573,676,508.70
  6. Step 6: Final answer
    x = 550,578,371.85

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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.