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Finding the Fourth Proportional to 303,296.01, 418,545.60 and 167,331.05

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Solution

The fourth proportional to 303,296.01, 418,545.60 and 167,331.05 is: 230,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,296.01 : 418,545.60 = 167,331.05 : x
  2. Step 2: Convert to fraction form
    303,296.01/418,545.60 = 167,331.05/x
  3. Step 3: Cross multiply
    303,296.01x = 418,545.60 × 167,331.05
  4. Step 4: Simplify right side
    303,296.01x = 70,035,673,570.21
  5. Step 5: Solve for x
    x = 70,035,673,570.21/303,296.01
  6. Step 6: Final answer
    x = 230,915.25

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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.