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Finding the Fourth Proportional to 759,072, 1,047,242.40 and 584,695.04

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Solution

The fourth proportional to 759,072, 1,047,242.40 and 584,695.04 is: 806,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,072 : 1,047,242.40 = 584,695.04 : x
  2. Step 2: Convert to fraction form
    759,072/1,047,242.40 = 584,695.04/x
  3. Step 3: Cross multiply
    759,072x = 1,047,242.40 × 584,695.04
  4. Step 4: Simplify right side
    759,072x = 612,317,436,957.70
  5. Step 5: Solve for x
    x = 612,317,436,957.70/759,072
  6. Step 6: Final answer
    x = 806,665.82

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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.