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Finding the Fourth Proportional to 514,914.32, 771,365.92 and 244,657.84

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Solution

The fourth proportional to 514,914.32, 771,365.92 and 244,657.84 is: 366,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,914.32 : 771,365.92 = 244,657.84 : x
  2. Step 2: Convert to fraction form
    514,914.32/771,365.92 = 244,657.84/x
  3. Step 3: Cross multiply
    514,914.32x = 771,365.92 × 244,657.84
  4. Step 4: Simplify right side
    514,914.32x = 188,720,719,836.81
  5. Step 5: Solve for x
    x = 188,720,719,836.81/514,914.32
  6. Step 6: Final answer
    x = 366,508.98

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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.