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Finding the Fourth Proportional to 713,247.48, 984,382.32 and 441,402.90

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Solution

The fourth proportional to 713,247.48, 984,382.32 and 441,402.90 is: 609,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,247.48 : 984,382.32 = 441,402.90 : x
  2. Step 2: Convert to fraction form
    713,247.48/984,382.32 = 441,402.90/x
  3. Step 3: Cross multiply
    713,247.48x = 984,382.32 × 441,402.90
  4. Step 4: Simplify right side
    713,247.48x = 434,509,210,756.73
  5. Step 5: Solve for x
    x = 434,509,210,756.73/713,247.48
  6. Step 6: Final answer
    x = 609,198.38

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1.5x scale

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.