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Finding the Fourth Proportional to 600,004.80, 900,093.60 and 319,543.20

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Solution

The fourth proportional to 600,004.80, 900,093.60 and 319,543.20 is: 479,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,004.80 : 900,093.60 = 319,543.20 : x
  2. Step 2: Convert to fraction form
    600,004.80/900,093.60 = 319,543.20/x
  3. Step 3: Cross multiply
    600,004.80x = 900,093.60 × 319,543.20
  4. Step 4: Simplify right side
    600,004.80x = 287,618,789,243.52
  5. Step 5: Solve for x
    x = 287,618,789,243.52/600,004.80
  6. Step 6: Final answer
    x = 479,360.81

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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.