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Finding the Fourth Proportional to 546,132.58, 753,688.86 and 304,416.88

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Solution

The fourth proportional to 546,132.58, 753,688.86 and 304,416.88 is: 420,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,132.58 : 753,688.86 = 304,416.88 : x
  2. Step 2: Convert to fraction form
    546,132.58/753,688.86 = 304,416.88/x
  3. Step 3: Cross multiply
    546,132.58x = 753,688.86 × 304,416.88
  4. Step 4: Simplify right side
    546,132.58x = 229,435,611,251.96
  5. Step 5: Solve for x
    x = 229,435,611,251.96/546,132.58
  6. Step 6: Final answer
    x = 420,109.73

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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.