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Finding the Fourth Proportional to 200,317.72, 300,457.02 and 52,573.72

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Solution

The fourth proportional to 200,317.72, 300,457.02 and 52,573.72 is: 78,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,317.72 : 300,457.02 = 52,573.72 : x
  2. Step 2: Convert to fraction form
    200,317.72/300,457.02 = 52,573.72/x
  3. Step 3: Cross multiply
    200,317.72x = 300,457.02 × 52,573.72
  4. Step 4: Simplify right side
    200,317.72x = 15,796,143,241.51
  5. Step 5: Solve for x
    x = 15,796,143,241.51/200,317.72
  6. Step 6: Final answer
    x = 78,855.45

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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.