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Finding the Fourth Proportional to 316,977.60, 475,903.80 and 250,492.80

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Solution

The fourth proportional to 316,977.60, 475,903.80 and 250,492.80 is: 376,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,977.60 : 475,903.80 = 250,492.80 : x
  2. Step 2: Convert to fraction form
    316,977.60/475,903.80 = 250,492.80/x
  3. Step 3: Cross multiply
    316,977.60x = 475,903.80 × 250,492.80
  4. Step 4: Simplify right side
    316,977.60x = 119,210,475,392.64
  5. Step 5: Solve for x
    x = 119,210,475,392.64/316,977.60
  6. Step 6: Final answer
    x = 376,084.86

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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.