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Finding the Fourth Proportional to 200,034.60, 300,051.90 and 190,849.20

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Solution

The fourth proportional to 200,034.60, 300,051.90 and 190,849.20 is: 286,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,034.60 : 300,051.90 = 190,849.20 : x
  2. Step 2: Convert to fraction form
    200,034.60/300,051.90 = 190,849.20/x
  3. Step 3: Cross multiply
    200,034.60x = 300,051.90 × 190,849.20
  4. Step 4: Simplify right side
    200,034.60x = 57,264,665,073.48
  5. Step 5: Solve for x
    x = 57,264,665,073.48/200,034.60
  6. Step 6: Final answer
    x = 286,273.80

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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.