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Finding the Fourth Proportional to 200,500.48, 300,752.64 and 52,756.48

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Solution

The fourth proportional to 200,500.48, 300,752.64 and 52,756.48 is: 79,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,500.48 : 300,752.64 = 52,756.48 : x
  2. Step 2: Convert to fraction form
    200,500.48/300,752.64 = 52,756.48/x
  3. Step 3: Cross multiply
    200,500.48x = 300,752.64 × 52,756.48
  4. Step 4: Simplify right side
    200,500.48x = 15,866,650,637.11
  5. Step 5: Solve for x
    x = 15,866,650,637.11/200,500.48
  6. Step 6: Final answer
    x = 79,135.23

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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.