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Finding the Fourth Proportional to 605,329.78, 835,337.98 and 329,681.39

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Solution

The fourth proportional to 605,329.78, 835,337.98 and 329,681.39 is: 454,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,329.78 : 835,337.98 = 329,681.39 : x
  2. Step 2: Convert to fraction form
    605,329.78/835,337.98 = 329,681.39/x
  3. Step 3: Cross multiply
    605,329.78x = 835,337.98 × 329,681.39
  4. Step 4: Simplify right side
    605,329.78x = 275,395,382,189.50
  5. Step 5: Solve for x
    x = 275,395,382,189.50/605,329.78
  6. Step 6: Final answer
    x = 454,950.99

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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.