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Finding the Fourth Proportional to 359,860.36, 536,880.89 and 323,990.32

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Solution

The fourth proportional to 359,860.36, 536,880.89 and 323,990.32 is: 483,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,860.36 : 536,880.89 = 323,990.32 : x
  2. Step 2: Convert to fraction form
    359,860.36/536,880.89 = 323,990.32/x
  3. Step 3: Cross multiply
    359,860.36x = 536,880.89 × 323,990.32
  4. Step 4: Simplify right side
    359,860.36x = 173,944,211,352.99
  5. Step 5: Solve for x
    x = 173,944,211,352.99/359,860.36
  6. Step 6: Final answer
    x = 483,365.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.