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Finding the Fourth Proportional to 306,335.40, 459,503.37 and 95,989.74

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Solution

The fourth proportional to 306,335.40, 459,503.37 and 95,989.74 is: 143,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,335.40 : 459,503.37 = 95,989.74 : x
  2. Step 2: Convert to fraction form
    306,335.40/459,503.37 = 95,989.74/x
  3. Step 3: Cross multiply
    306,335.40x = 459,503.37 × 95,989.74
  4. Step 4: Simplify right side
    306,335.40x = 44,107,609,015.42
  5. Step 5: Solve for x
    x = 44,107,609,015.42/306,335.40
  6. Step 6: Final answer
    x = 143,984.69

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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.