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Finding the Fourth Proportional to 302,347.97, 453,505.55 and 91,969.50

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Solution

The fourth proportional to 302,347.97, 453,505.55 and 91,969.50 is: 137,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,347.97 : 453,505.55 = 91,969.50 : x
  2. Step 2: Convert to fraction form
    302,347.97/453,505.55 = 91,969.50/x
  3. Step 3: Cross multiply
    302,347.97x = 453,505.55 × 91,969.50
  4. Step 4: Simplify right side
    302,347.97x = 41,708,678,220.88
  5. Step 5: Solve for x
    x = 41,708,678,220.88/302,347.97
  6. Step 6: Final answer
    x = 137,949.26

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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.