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Finding the Fourth Proportional to 359,080.74, 538,416.99 and 148,603.86

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Solution

The fourth proportional to 359,080.74, 538,416.99 and 148,603.86 is: 222,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,080.74 : 538,416.99 = 148,603.86 : x
  2. Step 2: Convert to fraction form
    359,080.74/538,416.99 = 148,603.86/x
  3. Step 3: Cross multiply
    359,080.74x = 538,416.99 × 148,603.86
  4. Step 4: Simplify right side
    359,080.74x = 80,010,843,003.58
  5. Step 5: Solve for x
    x = 80,010,843,003.58/359,080.74
  6. Step 6: Final answer
    x = 222,821.32

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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.