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Finding the Fourth Proportional to 449,700.59, 620,595.70 and 245,764.13

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Solution

The fourth proportional to 449,700.59, 620,595.70 and 245,764.13 is: 339,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,700.59 : 620,595.70 = 245,764.13 : x
  2. Step 2: Convert to fraction form
    449,700.59/620,595.70 = 245,764.13/x
  3. Step 3: Cross multiply
    449,700.59x = 620,595.70 × 245,764.13
  4. Step 4: Simplify right side
    449,700.59x = 152,520,162,292.24
  5. Step 5: Solve for x
    x = 152,520,162,292.24/449,700.59
  6. Step 6: Final answer
    x = 339,159.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.