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Finding the Fourth Proportional to 306,293.00, 459,723.80 and 156,640.23

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Solution

The fourth proportional to 306,293.00, 459,723.80 and 156,640.23 is: 235,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,293.00 : 459,723.80 = 156,640.23 : x
  2. Step 2: Convert to fraction form
    306,293.00/459,723.80 = 156,640.23/x
  3. Step 3: Cross multiply
    306,293.00x = 459,723.80 × 156,640.23
  4. Step 4: Simplify right side
    306,293.00x = 72,011,242,160.07
  5. Step 5: Solve for x
    x = 72,011,242,160.07/306,293.00
  6. Step 6: Final answer
    x = 235,105.74

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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.