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Finding the Fourth Proportional to 346,243.80, 477,814.47 and 193,273.14

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Solution

The fourth proportional to 346,243.80, 477,814.47 and 193,273.14 is: 266,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,243.80 : 477,814.47 = 193,273.14 : x
  2. Step 2: Convert to fraction form
    346,243.80/477,814.47 = 193,273.14/x
  3. Step 3: Cross multiply
    346,243.80x = 477,814.47 × 193,273.14
  4. Step 4: Simplify right side
    346,243.80x = 92,348,702,954.34
  5. Step 5: Solve for x
    x = 92,348,702,954.34/346,243.80
  6. Step 6: Final answer
    x = 266,715.83

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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.