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Finding the Fourth Proportional to 303,499.74, 418,829.73 and 167,533.80

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Solution

The fourth proportional to 303,499.74, 418,829.73 and 167,533.80 is: 231,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,499.74 : 418,829.73 = 167,533.80 : x
  2. Step 2: Convert to fraction form
    303,499.74/418,829.73 = 167,533.80/x
  3. Step 3: Cross multiply
    303,499.74x = 418,829.73 × 167,533.80
  4. Step 4: Simplify right side
    303,499.74x = 70,168,136,219.87
  5. Step 5: Solve for x
    x = 70,168,136,219.87/303,499.74
  6. Step 6: Final answer
    x = 231,196.69

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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.