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Finding the Fourth Proportional to 295,285.90, 441,762.45 and 256,276.30

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Solution

The fourth proportional to 295,285.90, 441,762.45 and 256,276.30 is: 383,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,285.90 : 441,762.45 = 256,276.30 : x
  2. Step 2: Convert to fraction form
    295,285.90/441,762.45 = 256,276.30/x
  3. Step 3: Cross multiply
    295,285.90x = 441,762.45 × 256,276.30
  4. Step 4: Simplify right side
    295,285.90x = 113,213,246,164.94
  5. Step 5: Solve for x
    x = 113,213,246,164.94/295,285.90
  6. Step 6: Final answer
    x = 383,402.14

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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.