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Finding the Fourth Proportional to 295,265.90, 441,732.45 and 256,256.30

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Solution

The fourth proportional to 295,265.90, 441,732.45 and 256,256.30 is: 383,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,265.90 : 441,732.45 = 256,256.30 : x
  2. Step 2: Convert to fraction form
    295,265.90/441,732.45 = 256,256.30/x
  3. Step 3: Cross multiply
    295,265.90x = 441,732.45 × 256,256.30
  4. Step 4: Simplify right side
    295,265.90x = 113,196,723,226.94
  5. Step 5: Solve for x
    x = 113,196,723,226.94/295,265.90
  6. Step 6: Final answer
    x = 383,372.15

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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.