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Finding the Fourth Proportional to 713,598.57, 1,071,311.31 and 613,040.00

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Solution

The fourth proportional to 713,598.57, 1,071,311.31 and 613,040.00 is: 920,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,598.57 : 1,071,311.31 = 613,040.00 : x
  2. Step 2: Convert to fraction form
    713,598.57/1,071,311.31 = 613,040.00/x
  3. Step 3: Cross multiply
    713,598.57x = 1,071,311.31 × 613,040.00
  4. Step 4: Simplify right side
    713,598.57x = 656,756,680,125.84
  5. Step 5: Solve for x
    x = 656,756,680,125.84/713,598.57
  6. Step 6: Final answer
    x = 920,344.73

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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.