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Finding the Fourth Proportional to 295,276.90, 441,748.95 and 256,267.30

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Solution

The fourth proportional to 295,276.90, 441,748.95 and 256,267.30 is: 383,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,276.90 : 441,748.95 = 256,267.30 : x
  2. Step 2: Convert to fraction form
    295,276.90/441,748.95 = 256,267.30/x
  3. Step 3: Cross multiply
    295,276.90x = 441,748.95 × 256,267.30
  4. Step 4: Simplify right side
    295,276.90x = 113,205,810,694.34
  5. Step 5: Solve for x
    x = 113,205,810,694.34/295,276.90
  6. Step 6: Final answer
    x = 383,388.65

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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.