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Finding the Fourth Proportional to 443,441.77, 611,949.68 and 242,237.77

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Solution

The fourth proportional to 443,441.77, 611,949.68 and 242,237.77 is: 334,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,441.77 : 611,949.68 = 242,237.77 : x
  2. Step 2: Convert to fraction form
    443,441.77/611,949.68 = 242,237.77/x
  3. Step 3: Cross multiply
    443,441.77x = 611,949.68 × 242,237.77
  4. Step 4: Simplify right side
    443,441.77x = 148,237,325,835.41
  5. Step 5: Solve for x
    x = 148,237,325,835.41/443,441.77
  6. Step 6: Final answer
    x = 334,288.14

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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.