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Finding the Fourth Proportional to 295,277.90, 441,750.45 and 256,268.30

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Solution

The fourth proportional to 295,277.90, 441,750.45 and 256,268.30 is: 383,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,277.90 : 441,750.45 = 256,268.30 : x
  2. Step 2: Convert to fraction form
    295,277.90/441,750.45 = 256,268.30/x
  3. Step 3: Cross multiply
    295,277.90x = 441,750.45 × 256,268.30
  4. Step 4: Simplify right side
    295,277.90x = 113,206,636,845.74
  5. Step 5: Solve for x
    x = 113,206,636,845.74/295,277.90
  6. Step 6: Final answer
    x = 383,390.14

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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.