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Finding the Fourth Proportional to 867,082.40, 1,300,623.60 and 867,082.40

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Solution

The fourth proportional to 867,082.40, 1,300,623.60 and 867,082.40 is: 1,300,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,082.40 : 1,300,623.60 = 867,082.40 : x
  2. Step 2: Convert to fraction form
    867,082.40/1,300,623.60 = 867,082.40/x
  3. Step 3: Cross multiply
    867,082.40x = 1,300,623.60 × 867,082.40
  4. Step 4: Simplify right side
    867,082.40x = 1,127,747,832,584.64
  5. Step 5: Solve for x
    x = 1,127,747,832,584.64/867,082.40
  6. Step 6: Final answer
    x = 1,300,623.60

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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.