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Finding the Fourth Proportional to 1,082,728.64, 1,624,084 and 846,270.08

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Solution

The fourth proportional to 1,082,728.64, 1,624,084 and 846,270.08 is: 1,269,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,728.64 : 1,624,084 = 846,270.08 : x
  2. Step 2: Convert to fraction form
    1,082,728.64/1,624,084 = 846,270.08/x
  3. Step 3: Cross multiply
    1,082,728.64x = 1,624,084 × 846,270.08
  4. Step 4: Simplify right side
    1,082,728.64x = 1,374,413,696,606.72
  5. Step 5: Solve for x
    x = 1,374,413,696,606.72/1,082,728.64
  6. Step 6: Final answer
    x = 1,269,398.12

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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.