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Finding the Fourth Proportional to 295,545.49, 407,855.38 and 168,229.28

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Solution

The fourth proportional to 295,545.49, 407,855.38 and 168,229.28 is: 232,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,545.49 : 407,855.38 = 168,229.28 : x
  2. Step 2: Convert to fraction form
    295,545.49/407,855.38 = 168,229.28/x
  3. Step 3: Cross multiply
    295,545.49x = 407,855.38 × 168,229.28
  4. Step 4: Simplify right side
    295,545.49x = 68,613,216,921.53
  5. Step 5: Solve for x
    x = 68,613,216,921.53/295,545.49
  6. Step 6: Final answer
    x = 232,157.89

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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.