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Finding the Fourth Proportional to 579,197.16, 864,834.03 and 518,835.96

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Solution

The fourth proportional to 579,197.16, 864,834.03 and 518,835.96 is: 774,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,197.16 : 864,834.03 = 518,835.96 : x
  2. Step 2: Convert to fraction form
    579,197.16/864,834.03 = 518,835.96/x
  3. Step 3: Cross multiply
    579,197.16x = 864,834.03 × 518,835.96
  4. Step 4: Simplify right side
    579,197.16x = 448,706,994,195.72
  5. Step 5: Solve for x
    x = 448,706,994,195.72/579,197.16
  6. Step 6: Final answer
    x = 774,705.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.