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Finding the Fourth Proportional to 499,543.08, 689,160.38 and 327,502.36

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Solution

The fourth proportional to 499,543.08, 689,160.38 and 327,502.36 is: 451,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,543.08 : 689,160.38 = 327,502.36 : x
  2. Step 2: Convert to fraction form
    499,543.08/689,160.38 = 327,502.36/x
  3. Step 3: Cross multiply
    499,543.08x = 689,160.38 × 327,502.36
  4. Step 4: Simplify right side
    499,543.08x = 225,701,650,868.50
  5. Step 5: Solve for x
    x = 225,701,650,868.50/499,543.08
  6. Step 6: Final answer
    x = 451,816.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.