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Finding the Fourth Proportional to 306,219.60, 459,343.80 and 95,864.40

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Solution

The fourth proportional to 306,219.60, 459,343.80 and 95,864.40 is: 143,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,219.60 : 459,343.80 = 95,864.40 : x
  2. Step 2: Convert to fraction form
    306,219.60/459,343.80 = 95,864.40/x
  3. Step 3: Cross multiply
    306,219.60x = 459,343.80 × 95,864.40
  4. Step 4: Simplify right side
    306,219.60x = 44,034,717,780.72
  5. Step 5: Solve for x
    x = 44,034,717,780.72/306,219.60
  6. Step 6: Final answer
    x = 143,801.11

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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.