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Finding the Fourth Proportional to 456,955.80, 684,903.78 and 270,124.44

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Solution

The fourth proportional to 456,955.80, 684,903.78 and 270,124.44 is: 404,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,955.80 : 684,903.78 = 270,124.44 : x
  2. Step 2: Convert to fraction form
    456,955.80/684,903.78 = 270,124.44/x
  3. Step 3: Cross multiply
    456,955.80x = 684,903.78 × 270,124.44
  4. Step 4: Simplify right side
    456,955.80x = 185,009,250,026.38
  5. Step 5: Solve for x
    x = 185,009,250,026.38/456,955.80
  6. Step 6: Final answer
    x = 404,873.40

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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.