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Finding the Fourth Proportional to 976,258.82, 1,465,423.41 and 864,663.50

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Solution

The fourth proportional to 976,258.82, 1,465,423.41 and 864,663.50 is: 1,297,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,258.82 : 1,465,423.41 = 864,663.50 : x
  2. Step 2: Convert to fraction form
    976,258.82/1,465,423.41 = 864,663.50/x
  3. Step 3: Cross multiply
    976,258.82x = 1,465,423.41 × 864,663.50
  4. Step 4: Simplify right side
    976,258.82x = 1,267,098,134,672.53
  5. Step 5: Solve for x
    x = 1,267,098,134,672.53/976,258.82
  6. Step 6: Final answer
    x = 1,297,912.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.