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Finding the Fourth Proportional to 320,377.56, 442,107.02 and 175,180.60

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Solution

The fourth proportional to 320,377.56, 442,107.02 and 175,180.60 is: 241,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,377.56 : 442,107.02 = 175,180.60 : x
  2. Step 2: Convert to fraction form
    320,377.56/442,107.02 = 175,180.60/x
  3. Step 3: Cross multiply
    320,377.56x = 442,107.02 × 175,180.60
  4. Step 4: Simplify right side
    320,377.56x = 77,448,572,151.91
  5. Step 5: Solve for x
    x = 77,448,572,151.91/320,377.56
  6. Step 6: Final answer
    x = 241,741.57

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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.