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Finding the Fourth Proportional to 254,549.60, 381,824.40 and 242,885.60

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Solution

The fourth proportional to 254,549.60, 381,824.40 and 242,885.60 is: 364,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,549.60 : 381,824.40 = 242,885.60 : x
  2. Step 2: Convert to fraction form
    254,549.60/381,824.40 = 242,885.60/x
  3. Step 3: Cross multiply
    254,549.60x = 381,824.40 × 242,885.60
  4. Step 4: Simplify right side
    254,549.60x = 92,739,648,488.64
  5. Step 5: Solve for x
    x = 92,739,648,488.64/254,549.60
  6. Step 6: Final answer
    x = 364,328.40

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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.