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Finding the Fourth Proportional to 614,659.76, 920,250.96 and 325,813.25

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Solution

The fourth proportional to 614,659.76, 920,250.96 and 325,813.25 is: 487,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,659.76 : 920,250.96 = 325,813.25 : x
  2. Step 2: Convert to fraction form
    614,659.76/920,250.96 = 325,813.25/x
  3. Step 3: Cross multiply
    614,659.76x = 920,250.96 × 325,813.25
  4. Step 4: Simplify right side
    614,659.76x = 299,829,955,553.81
  5. Step 5: Solve for x
    x = 299,829,955,553.81/614,659.76
  6. Step 6: Final answer
    x = 487,798.25

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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.