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Finding the Fourth Proportional to 461,405.80, 692,108.70 and 283,335.40

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Solution

The fourth proportional to 461,405.80, 692,108.70 and 283,335.40 is: 425,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,405.80 : 692,108.70 = 283,335.40 : x
  2. Step 2: Convert to fraction form
    461,405.80/692,108.70 = 283,335.40/x
  3. Step 3: Cross multiply
    461,405.80x = 692,108.70 × 283,335.40
  4. Step 4: Simplify right side
    461,405.80x = 196,098,895,357.98
  5. Step 5: Solve for x
    x = 196,098,895,357.98/461,405.80
  6. Step 6: Final answer
    x = 425,003.10

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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.