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Finding the Fourth Proportional to 408,288.60, 562,811.58 and 265,025.88

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Solution

The fourth proportional to 408,288.60, 562,811.58 and 265,025.88 is: 365,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,288.60 : 562,811.58 = 265,025.88 : x
  2. Step 2: Convert to fraction form
    408,288.60/562,811.58 = 265,025.88/x
  3. Step 3: Cross multiply
    408,288.60x = 562,811.58 × 265,025.88
  4. Step 4: Simplify right side
    408,288.60x = 149,159,634,263.69
  5. Step 5: Solve for x
    x = 149,159,634,263.69/408,288.60
  6. Step 6: Final answer
    x = 365,328.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.