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Finding the Fourth Proportional to 425,258.67, 586,049.51 and 304,189.76

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Solution

The fourth proportional to 425,258.67, 586,049.51 and 304,189.76 is: 419,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,258.67 : 586,049.51 = 304,189.76 : x
  2. Step 2: Convert to fraction form
    425,258.67/586,049.51 = 304,189.76/x
  3. Step 3: Cross multiply
    425,258.67x = 586,049.51 × 304,189.76
  4. Step 4: Simplify right side
    425,258.67x = 178,270,262,020.62
  5. Step 5: Solve for x
    x = 178,270,262,020.62/425,258.67
  6. Step 6: Final answer
    x = 419,204.29

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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.