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Finding the Fourth Proportional to 302,348.72, 453,506.67 and 91,970.25

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Solution

The fourth proportional to 302,348.72, 453,506.67 and 91,970.25 is: 137,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,348.72 : 453,506.67 = 91,970.25 : x
  2. Step 2: Convert to fraction form
    302,348.72/453,506.67 = 91,970.25/x
  3. Step 3: Cross multiply
    302,348.72x = 453,506.67 × 91,970.25
  4. Step 4: Simplify right side
    302,348.72x = 41,709,121,816.57
  5. Step 5: Solve for x
    x = 41,709,121,816.57/302,348.72
  6. Step 6: Final answer
    x = 137,950.39

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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.