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Finding the Fourth Proportional to 242,765.40, 364,148.10 and 154,410.60

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Solution

The fourth proportional to 242,765.40, 364,148.10 and 154,410.60 is: 231,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,765.40 : 364,148.10 = 154,410.60 : x
  2. Step 2: Convert to fraction form
    242,765.40/364,148.10 = 154,410.60/x
  3. Step 3: Cross multiply
    242,765.40x = 364,148.10 × 154,410.60
  4. Step 4: Simplify right side
    242,765.40x = 56,228,326,609.86
  5. Step 5: Solve for x
    x = 56,228,326,609.86/242,765.40
  6. Step 6: Final answer
    x = 231,615.90

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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.