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Finding the Fourth Proportional to 306,594, 459,103.60 and 187,905.76

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Solution

The fourth proportional to 306,594, 459,103.60 and 187,905.76 is: 281,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,594 : 459,103.60 = 187,905.76 : x
  2. Step 2: Convert to fraction form
    306,594/459,103.60 = 187,905.76/x
  3. Step 3: Cross multiply
    306,594x = 459,103.60 × 187,905.76
  4. Step 4: Simplify right side
    306,594x = 86,268,210,876.74
  5. Step 5: Solve for x
    x = 86,268,210,876.74/306,594
  6. Step 6: Final answer
    x = 281,376.06

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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.