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Finding the Fourth Proportional to 436,109.38, 601,878.93 and 249,858.58

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Solution

The fourth proportional to 436,109.38, 601,878.93 and 249,858.58 is: 344,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,109.38 : 601,878.93 = 249,858.58 : x
  2. Step 2: Convert to fraction form
    436,109.38/601,878.93 = 249,858.58/x
  3. Step 3: Cross multiply
    436,109.38x = 601,878.93 × 249,858.58
  4. Step 4: Simplify right side
    436,109.38x = 150,384,614,781.72
  5. Step 5: Solve for x
    x = 150,384,614,781.72/436,109.38
  6. Step 6: Final answer
    x = 344,832.33

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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.