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Finding the Fourth Proportional to 200,646.05, 300,969.07 and 50,897.60

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Solution

The fourth proportional to 200,646.05, 300,969.07 and 50,897.60 is: 76,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,646.05 : 300,969.07 = 50,897.60 : x
  2. Step 2: Convert to fraction form
    200,646.05/300,969.07 = 50,897.60/x
  3. Step 3: Cross multiply
    200,646.05x = 300,969.07 × 50,897.60
  4. Step 4: Simplify right side
    200,646.05x = 15,318,602,833.78
  5. Step 5: Solve for x
    x = 15,318,602,833.78/200,646.05
  6. Step 6: Final answer
    x = 76,346.40

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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.