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Finding the Fourth Proportional to 359,410.08, 538,912.80 and 119,395.50

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Solution

The fourth proportional to 359,410.08, 538,912.80 and 119,395.50 is: 179,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,410.08 : 538,912.80 = 119,395.50 : x
  2. Step 2: Convert to fraction form
    359,410.08/538,912.80 = 119,395.50/x
  3. Step 3: Cross multiply
    359,410.08x = 538,912.80 × 119,395.50
  4. Step 4: Simplify right side
    359,410.08x = 64,343,763,212.40
  5. Step 5: Solve for x
    x = 64,343,763,212.40/359,410.08
  6. Step 6: Final answer
    x = 179,026.04

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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.