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Finding the Fourth Proportional to 359,649.54, 539,474.13 and 106,928.93

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Solution

The fourth proportional to 359,649.54, 539,474.13 and 106,928.93 is: 160,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,649.54 : 539,474.13 = 106,928.93 : x
  2. Step 2: Convert to fraction form
    359,649.54/539,474.13 = 106,928.93/x
  3. Step 3: Cross multiply
    359,649.54x = 539,474.13 × 106,928.93
  4. Step 4: Simplify right side
    359,649.54x = 57,685,388,786.21
  5. Step 5: Solve for x
    x = 57,685,388,786.21/359,649.54
  6. Step 6: Final answer
    x = 160,393.33

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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.