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Finding the Fourth Proportional to 459,276.40, 688,933.80 and 245,954.80

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Solution

The fourth proportional to 459,276.40, 688,933.80 and 245,954.80 is: 368,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,276.40 : 688,933.80 = 245,954.80 : x
  2. Step 2: Convert to fraction form
    459,276.40/688,933.80 = 245,954.80/x
  3. Step 3: Cross multiply
    459,276.40x = 688,933.80 × 245,954.80
  4. Step 4: Simplify right side
    459,276.40x = 169,446,574,992.24
  5. Step 5: Solve for x
    x = 169,446,574,992.24/459,276.40
  6. Step 6: Final answer
    x = 368,942.48

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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.