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Finding the Fourth Proportional to 364,317.72, 502,757.48 and 203,172.96

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Solution

The fourth proportional to 364,317.72, 502,757.48 and 203,172.96 is: 280,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,317.72 : 502,757.48 = 203,172.96 : x
  2. Step 2: Convert to fraction form
    364,317.72/502,757.48 = 203,172.96/x
  3. Step 3: Cross multiply
    364,317.72x = 502,757.48 × 203,172.96
  4. Step 4: Simplify right side
    364,317.72x = 102,146,725,373.74
  5. Step 5: Solve for x
    x = 102,146,725,373.74/364,317.72
  6. Step 6: Final answer
    x = 280,378.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.