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Finding the Fourth Proportional to 592,138.80, 885,616.20 and 529,412.40

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Solution

The fourth proportional to 592,138.80, 885,616.20 and 529,412.40 is: 791,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,138.80 : 885,616.20 = 529,412.40 : x
  2. Step 2: Convert to fraction form
    592,138.80/885,616.20 = 529,412.40/x
  3. Step 3: Cross multiply
    592,138.80x = 885,616.20 × 529,412.40
  4. Step 4: Simplify right side
    592,138.80x = 468,856,197,920.88
  5. Step 5: Solve for x
    x = 468,856,197,920.88/592,138.80
  6. Step 6: Final answer
    x = 791,801.18

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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.