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Finding the Fourth Proportional to 583,423.80, 873,062.10 and 405,094.20

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Solution

The fourth proportional to 583,423.80, 873,062.10 and 405,094.20 is: 606,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,423.80 : 873,062.10 = 405,094.20 : x
  2. Step 2: Convert to fraction form
    583,423.80/873,062.10 = 405,094.20/x
  3. Step 3: Cross multiply
    583,423.80x = 873,062.10 × 405,094.20
  4. Step 4: Simplify right side
    583,423.80x = 353,672,392,949.82
  5. Step 5: Solve for x
    x = 353,672,392,949.82/583,423.80
  6. Step 6: Final answer
    x = 606,201.52

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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.