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Finding the Fourth Proportional to 359,493.48, 496,280.77 and 223,571.22

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Solution

The fourth proportional to 359,493.48, 496,280.77 and 223,571.22 is: 308,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,493.48 : 496,280.77 = 223,571.22 : x
  2. Step 2: Convert to fraction form
    359,493.48/496,280.77 = 223,571.22/x
  3. Step 3: Cross multiply
    359,493.48x = 496,280.77 × 223,571.22
  4. Step 4: Simplify right side
    359,493.48x = 110,954,095,792.09
  5. Step 5: Solve for x
    x = 110,954,095,792.09/359,493.48
  6. Step 6: Final answer
    x = 308,640.08

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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.