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Finding the Fourth Proportional to 295,004.48, 408,648.14 and 289,025.77

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Solution

The fourth proportional to 295,004.48, 408,648.14 and 289,025.77 is: 400,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,004.48 : 408,648.14 = 289,025.77 : x
  2. Step 2: Convert to fraction form
    295,004.48/408,648.14 = 289,025.77/x
  3. Step 3: Cross multiply
    295,004.48x = 408,648.14 × 289,025.77
  4. Step 4: Simplify right side
    295,004.48x = 118,109,842,705.88
  5. Step 5: Solve for x
    x = 118,109,842,705.88/295,004.48
  6. Step 6: Final answer
    x = 400,366.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.