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Finding the Fourth Proportional to 478,480.68, 717,873.36 and 141,523.32

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Solution

The fourth proportional to 478,480.68, 717,873.36 and 141,523.32 is: 212,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,480.68 : 717,873.36 = 141,523.32 : x
  2. Step 2: Convert to fraction form
    478,480.68/717,873.36 = 141,523.32/x
  3. Step 3: Cross multiply
    478,480.68x = 717,873.36 × 141,523.32
  4. Step 4: Simplify right side
    478,480.68x = 101,595,821,246.76
  5. Step 5: Solve for x
    x = 101,595,821,246.76/478,480.68
  6. Step 6: Final answer
    x = 212,330.04

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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.