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Finding the Fourth Proportional to 302,329.74, 453,560.21 and 91,962.21

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Solution

The fourth proportional to 302,329.74, 453,560.21 and 91,962.21 is: 137,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,329.74 : 453,560.21 = 91,962.21 : x
  2. Step 2: Convert to fraction form
    302,329.74/453,560.21 = 91,962.21/x
  3. Step 3: Cross multiply
    302,329.74x = 453,560.21 × 91,962.21
  4. Step 4: Simplify right side
    302,329.74x = 41,710,399,682.00
  5. Step 5: Solve for x
    x = 41,710,399,682.00/302,329.74
  6. Step 6: Final answer
    x = 137,963.27

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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.