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Finding the Fourth Proportional to 359,519.74, 538,765.57 and 264,000.54

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Solution

The fourth proportional to 359,519.74, 538,765.57 and 264,000.54 is: 395,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,519.74 : 538,765.57 = 264,000.54 : x
  2. Step 2: Convert to fraction form
    359,519.74/538,765.57 = 264,000.54/x
  3. Step 3: Cross multiply
    359,519.74x = 538,765.57 × 264,000.54
  4. Step 4: Simplify right side
    359,519.74x = 142,234,401,413.41
  5. Step 5: Solve for x
    x = 142,234,401,413.41/359,519.74
  6. Step 6: Final answer
    x = 395,623.34

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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.