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Finding the Fourth Proportional to 508,914.58, 762,209.12 and 242,861.93

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Solution

The fourth proportional to 508,914.58, 762,209.12 and 242,861.93 is: 363,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,914.58 : 762,209.12 = 242,861.93 : x
  2. Step 2: Convert to fraction form
    508,914.58/762,209.12 = 242,861.93/x
  3. Step 3: Cross multiply
    508,914.58x = 762,209.12 × 242,861.93
  4. Step 4: Simplify right side
    508,914.58x = 185,111,577,946.80
  5. Step 5: Solve for x
    x = 185,111,577,946.80/508,914.58
  6. Step 6: Final answer
    x = 363,738.01

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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.