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Finding the Fourth Proportional to 508,732.63, 763,115.24 and 255,875.11

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Solution

The fourth proportional to 508,732.63, 763,115.24 and 255,875.11 is: 383,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,732.63 : 763,115.24 = 255,875.11 : x
  2. Step 2: Convert to fraction form
    508,732.63/763,115.24 = 255,875.11/x
  3. Step 3: Cross multiply
    508,732.63x = 763,115.24 × 255,875.11
  4. Step 4: Simplify right side
    508,732.63x = 195,262,195,977.68
  5. Step 5: Solve for x
    x = 195,262,195,977.68/508,732.63
  6. Step 6: Final answer
    x = 383,820.86

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1.5x scale

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.