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Finding the Fourth Proportional to 328,571.17, 453,441.95 and 207,668.54

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Solution

The fourth proportional to 328,571.17, 453,441.95 and 207,668.54 is: 286,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,571.17 : 453,441.95 = 207,668.54 : x
  2. Step 2: Convert to fraction form
    328,571.17/453,441.95 = 207,668.54/x
  3. Step 3: Cross multiply
    328,571.17x = 453,441.95 × 207,668.54
  4. Step 4: Simplify right side
    328,571.17x = 94,165,628,605.27
  5. Step 5: Solve for x
    x = 94,165,628,605.27/328,571.17
  6. Step 6: Final answer
    x = 286,591.27

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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.