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Finding the Fourth Proportional to 254,809.80, 382,214.70 and 242,562.60

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Solution

The fourth proportional to 254,809.80, 382,214.70 and 242,562.60 is: 363,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,809.80 : 382,214.70 = 242,562.60 : x
  2. Step 2: Convert to fraction form
    254,809.80/382,214.70 = 242,562.60/x
  3. Step 3: Cross multiply
    254,809.80x = 382,214.70 × 242,562.60
  4. Step 4: Simplify right side
    254,809.80x = 92,710,991,390.22
  5. Step 5: Solve for x
    x = 92,710,991,390.22/254,809.80
  6. Step 6: Final answer
    x = 363,843.90

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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.