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Finding the Fourth Proportional to 404,243.46, 557,849.43 and 232,165.08

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Solution

The fourth proportional to 404,243.46, 557,849.43 and 232,165.08 is: 320,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,243.46 : 557,849.43 = 232,165.08 : x
  2. Step 2: Convert to fraction form
    404,243.46/557,849.43 = 232,165.08/x
  3. Step 3: Cross multiply
    404,243.46x = 557,849.43 × 232,165.08
  4. Step 4: Simplify right side
    404,243.46x = 129,513,157,543.90
  5. Step 5: Solve for x
    x = 129,513,157,543.90/404,243.46
  6. Step 6: Final answer
    x = 320,384.05

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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.